Physical examination item execution time distribution management method

Through real-time monitoring and optimization of the execution time allocation of physical examination items, the problems of poor experience and lack of intelligence among physical examination candidates are solved, and more efficient physical examination process and shorter waiting time are achieved.

CN120199436AInactive Publication Date: 2025-06-24NANJING FIRST HOSPITAL
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Patent Information

Application Number
CN202510259822.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-06-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing management methods for the execution time allocation of physical examination items have poor experience and lack of intelligence, which makes it difficult to meet the growing physical examination needs and improve the efficiency of physical examinations.

Method used

By obtaining the average execution time of the physical examination items and the physical examination plan of the person to be examined, the appointment status of the physical examination items is monitored in real time, and the execution time allocation of the physical examination items is analyzed and optimized to ensure that the inspection time of each physical examination item is accurately allocated and real-time monitoring.

Benefits of technology

It reduces the waiting time for the personnel waiting for physical examination, improves the efficiency of physical examination, realizes the diversion of the personnel waiting for physical examination, and reduces the short-term situation of a large number of personnel waiting for a large number of people in the area.

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Abstract

The invention discloses a physical examination item execution time distribution management method, and belongs to the technical field of intelligent medical science. The physical examination item execution time distribution management method comprises the following steps: analyzing physical examination items of a person to be subjected to physical examination and spare time conditions of each physical examination item in a corresponding physical examination date; the item time distribution combination with the minimum or smaller waiting duration of the to-be-examined person is obtained to adjust the physical examination item sequence and time distribution of the to-be-examined person, so that the waiting time of the to-be-examined person is shortened, the physical examination efficiency is improved, the distribution of the physical examination persons can be effectively realized, and the physical examination efficiency is improved. And the situation that a large number of waiting persons exist in the area within a short time is reduced.
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Description

Technical Field

[0001] The present invention belongs to the technical field of intelligent medical services. Specifically, it relates to a management method for allocating the execution time of physical examination items. Background Art

[0002] With the continuous improvement of people's health awareness, regular physical examinations have become an indispensable part of modern people's lives. Physical examinations can help people detect potential health problems early, prevent and intervene, thereby reducing the incidence of diseases and medical costs. However, with the increasing diversification and personalization of physical examination items, physical examination centers are facing huge challenges in how to efficiently allocate and manage the execution time of physical examination items. The traditional physical examination process usually adopts a fixed package and assembly line operation mode, and all examinees undergo the same item inspections in the same order. Although this mode is simple and easy to implement, there are problems with the poor experience of examinees: examinees need to spend a lot of time queuing. To solve the above problems, in recent years, some physical examination centers have begun to try to adopt methods such as appointment systems and segmented physical examinations to optimize the physical examination process. However, these methods still have certain limitations: 1. It is difficult to precisely control time in the appointment system: the appointment time period for examinees is usually relatively long, and it is difficult to precisely control the examination time for each item, and there may still be queuing situations. 2. Lack of intelligent management: The traditional physical examination process management mainly relies on manual operations, and it is difficult to achieve precise allocation and real-time monitoring of the execution time of physical examination items. In summary, the existing management methods for allocating the execution time of physical examination items have problems such as poor examinee experience and lack of intelligence, and it is difficult to meet the growing physical examination needs and the requirements for improving physical examination efficiency. Summary of the Invention

[0003] The purpose of the present invention is to provide a management method for allocating the execution time of physical examination items, which solves the problems that the existing management methods for allocating the execution time of physical examination items have poor examinee experience, lack of intelligence, and are difficult to meet the growing physical examination needs and the requirements for improving physical examination efficiency.

[0004] The purpose of the present invention can be achieved through the following technical solutions:

[0005] A management method for allocating the execution time of physical examination items includes the following steps:

[0006] In the first step, obtain the average execution duration of each physical examination item in the hospital;

[0007] In the second step, obtain the physical examination plan of the examinee to be examined;

[0008] The physical examination plan includes the physical examination date and physical examination items of the examinee;

[0009] Step 3: Monitor the reservation status of each physical examination item in real time. The reservation status includes the information of the reservation person for each physical examination item and the reservation time range for each reservation person;

[0010] And within the same physical examination date, one reservation time range only corresponds to one reservation person;

[0011] Step 4: Obtain the earliest time range corresponding to each physical examination item of the personnel to be examined within the physical examination date, then obtain the time difference between adjacent physical examination items, and select the plan with a shorter comprehensive duration and non-overlapping reservation time ranges for adjacent physical examination items as the final plan.

[0012] As a further solution of the present invention, after determining the final plan, send the order of each item to be allocated and the corresponding reservation time range in the final plan to the terminal device of the personnel to be examined in real time.

[0013] As a further solution of the present invention, the method for determining the reservation time range is as follows:

[0014] After obtaining the average execution duration of the physical examination item, divide the working time into k predicted physical examination time ranges according to the quota number k of the physical examination item within the working time, and the duration of each predicted physical examination time range corresponds to the average execution duration of the physical examination item.

[0015] As a further solution of the present invention, Step 4 specifically includes:

[0016] S1. For a person to be examined who initiates a physical examination reservation, mark him / her as a person to be examined in real time, and mark the physical examination items of this person to be examined in real time as items to be allocated;

[0017] Obtain the physical examination plan of the person to be examined in real time, and at the same time obtain the unoccupied reservation time range of each item to be allocated in the physical examination date of the person to be examined in real time;

[0018] S2. After arranging the unoccupied reservation time ranges in chronological order, select the first unoccupied reservation time range among the items to be allocated, and obtain the initial item allocation combination (A1, A2,..., An) in time order, where n represents the number of items to be allocated, and Ai represents different items to be allocated;

[0019] S3. Judge whether there is overlap between the reservation time ranges of each Ai. If there is overlap, make adjustments until there is no overlap between the reservation time ranges of Ai1 in the updated item allocation combination (A11, A21,..., An1);

[0020] S4. Calculate the time difference between adjacent Ai1, and obtain the time difference combination (t1, t2,..., tn-1 );

[0021] Further adjust the appointment physical examination time range of the items to be allocated corresponding to these time differences, obtain the item allocation combination corresponding to the minimum or relatively small value of the sum of the time differences tz = t1 + t2 +... + tn-1 at that time, and take one as the final plan for the real-time personnel to be physically examined.

[0022] As a further solution of the present invention, the method of adjustment in step S3 is:

[0023] S31. Determine the overlapping Ai1;

[0024] S32. Push one or more of the overlapping parties backward by an unoccupied appointment physical examination time range, and continue to determine whether there is an overlap between the updated Ai1s;

[0025] S33. If there is still an overlap, enter S2; if there is no overlap, the adjustment is completed.

[0026] As a further solution of the present invention, the method of further adjusting the appointment physical examination time range in S4 is:

[0027] S41. Adjust the appointment physical examination time range of the item to be allocated A11 at the beginning backward in turn until the item to be allocated A11 is at the end of the item allocation combination.

[0028] The adjusted A11 satisfies the following conditions: it does not overlap with the appointment physical examination time range of any item to be allocated in the item allocation combination;

[0029] If there is no adjusted item allocation combination that meets this condition, the item allocation combination obtained in step S3 is the final plan;

[0030] If there is an adjusted item allocation combination that meets this condition, obtain all the adjusted item allocation combinations that meet this condition, mark these item allocation combinations as the first-screen item allocation combinations, and calculate the sum of the time differences tz corresponding to each first-screen item allocation combination;

[0031] S42. Execute the process in step S41 for each first-screen item allocation combination until there is no adjusted item allocation combination that meets the condition or all unoccupied appointment physical examination time ranges have been traversed, and obtain the sum of the time differences tz corresponding to all the adjusted item allocation combinations that meet the condition;

[0032] S43. Select one of the item allocation combinations with the smallest corresponding sum of time differences or one of the first several item allocation combinations arranged in ascending order of tz as the final plan for the real-time personnel to be physically examined.

[0033] As a further solution of the present invention, after selecting the first multiple item allocation combinations in ascending order of tz values and combining them, the method of selecting one of them as the final item allocation combination for the person to be physically examined in real time is as follows:

[0034] Obtain the first multiple item allocation combinations selected in ascending order of tz values and the time differences between the corresponding reserved physical examination time ranges of adjacent items to be allocated in each item allocation combination;

[0035] Obtain the minimum time difference corresponding to each item allocation combination;

[0036] Obtain the item allocation combination corresponding to the maximum minimum time difference, and use this item allocation combination as the final item allocation combination.

[0037] As a further solution of the present invention, after all the persons to be physically examined determine the final plan, the final plan is further adjusted. The specific method is as follows:

[0038] Obtain the item allocation combinations of the final plans corresponding to each person to be physically examined;

[0039] Calculate and obtain the time differences T between the earliest item to be allocated and the latest item to be allocated in the item allocation combination and the corresponding reserved physical examination time ranges of adjacent items to be allocated respectively. Obtain the earliest item to be allocated and the latest item to be allocated that satisfy T>T1, and mark these earliest items to be allocated and the latest items to be allocated that satisfy T>T1 as adjustable items;

[0040] Replace the adjustable items with the corresponding reserved physical examination time ranges of the same type of items to be allocated, and obtain a replacement plan that satisfies that the sum of time differences tz of at least one party decreases, and the sum of time differences tz of other parties remains unchanged or decreases or increases by less than a preset percentage.

[0041] Advantages of the present invention:

[0042] 1. By analyzing the physical examination items of the persons to be physically examined and the available time of each physical examination item within the corresponding physical examination date, and obtaining the item time distribution combination with the minimum or relatively small waiting time of the persons to be physically examined, the present invention adjusts the order and time distribution of the physical examination items of the persons to be physically examined, thereby reducing the waiting time of the persons to be physically examined, improving the physical examination efficiency, and effectively realizing the diversion of the persons to be physically examined, and reducing the occurrence of a large number of waiting persons in a short time in the area.

[0043] 2. By adjusting the obtained optimal solution, the present invention can avoid the situation that the time difference between two adjacent reserved physical examination time ranges in the final project allocation combination is too small, which affects the smoothness of the entire physical examination process of the to-be-examined personnel and the physical examination processes of each physical examination item, and ensure that there is sufficient time between two physical examination items for the to-be-examined personnel.

[0044] 3. By further adjusting the physical examination item allocation plan obtained through real-time adjustment, the present invention reduces the occurrence of a large time difference between some physical examination items and other physical examination items, further reduces the waiting time of the to-be-examined personnel, and improves the overall physical examination efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The present invention will be further described below with reference to the accompanying drawings.

[0046] Figure 1 It is a flowchart of a method for allocating and managing the execution time of physical examination items. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0048] Embodiment 1

[0049] A method for allocating and managing the execution time of physical examination items, as Figure 1 shown, includes the following steps:

[0050] First step, obtain the average execution duration of each physical examination item in the hospital;

[0051] Second step, obtain the physical examination plan of the to-be-examined personnel;

[0052] The physical examination plan includes the physical examination date and physical examination items of the physical examination personnel;

[0053] Third step, monitor the reservation situation of each physical examination item in real time. The reservation situation includes the reservation person information of each physical examination item and the reserved physical examination time range of each reservation person;

[0054] After each reservation person completes the reservation of a physical examination item, it occupies a reserved physical examination time range, and within the same physical examination date, a reserved physical examination time range corresponds to only one reservation person;

[0055] The method for determining the reserved physical examination time range is:

[0056] After obtaining the average execution duration of the physical examination items, divide the working hours into k predicted physical examination time ranges according to the quota number k of the physical examination items within the working hours, and the duration of each predicted physical examination time range is the average execution duration of the corresponding physical examination item;

[0057] In the fourth step, obtain the earliest time range corresponding to each physical examination item of the personnel to be physically examined on the physical examination date, then obtain the time difference, and select the plan with the shortest comprehensive duration and capable of ensuring smooth sequential physical examinations;

[0058] S1. For a person to be physically examined who initiates a physical examination appointment, mark them as a person to be physically examined in real time, and mark the physical examination items of this person to be physically examined in real time as items to be allocated;

[0059] Obtain the physical examination plan of the person to be physically examined in real time, and at the same time obtain the unoccupied appointment physical examination time ranges of each item to be allocated in the physical examination date of the person to be physically examined in real time;

[0060] S2. After arranging the unoccupied appointment physical examination time ranges in chronological order, select the first unoccupied appointment physical examination time range among the items to be allocated, and obtain the initial item allocation combination (A1, A2,..., An) in chronological order, where n represents the number of items to be allocated, and Ai represents different items to be allocated;

[0061] S3. Further determine whether there is an overlap between the appointment physical examination time ranges of each Ai. If there is an overlap, make adjustments until there is no overlap between the appointment physical examination time ranges of Ai1 in the updated item allocation combination (A11, A21,..., An1);

[0062] The adjustment method is:

[0063] S31. Determine the Ai1 with an overlap;

[0064] S32. Push one or more of the parties with an overlap back by one unoccupied appointment physical examination time range, and continue to determine whether there is an overlap between the updated Ai1;

[0065] S33. If there is still an overlap, enter S2. If there is no overlap, complete the adjustment and obtain the adjusted item allocation combination (A11, A21,..., An1);

[0066] S4. Calculate the time difference between adjacent Ai1, and obtain the time difference combination (t1, t2,..., t n-1 ), where the time difference here refers to the time difference between the end moment of the appointment physical examination time range corresponding to the previous item to be allocated and the start moment of the appointment physical examination time range corresponding to the next item to be allocated;

[0067] Further adjust the reserved physical examination time range of the items to be allocated corresponding to these time differences, obtain the item allocation combination corresponding to the smallest or relatively small value of the sum of time differences tz = t1 + t2 +... + tn-1 at that time, and take one as the final item allocation combination of the real-time personnel to be physically examined.

[0068] Send the order of each item to be allocated in the final item allocation combination and the corresponding reserved physical examination time range to the terminal device of the real-time personnel to be physically examined.

[0069] Specifically

[0070] S41. Adjust the item to be allocated A11 at the beginning of the item allocation combination, and the adjustment method is to sequentially adjust the reserved physical examination time range of the item to be allocated A11 at the beginning backward (the adjustment range is limited to the unoccupied reserved physical examination time range) until the item to be allocated A11 is at the end of the item allocation combination. The adjusted A11 satisfies the following conditions: it does not overlap with the reserved physical examination time range of any item to be allocated in the item allocation combination;

[0071] If there is no adjusted item allocation combination that meets this condition, the item allocation combination obtained in step S3 is the final item allocation combination;

[0072] If there is an adjusted item allocation combination that meets this condition, obtain all the adjusted item allocation combinations that meet this condition, mark these item allocation combinations as the first-screen item allocation combinations, and calculate the sum of time differences tz corresponding to each first-screen item allocation combination;

[0073] S42. Execute the process in step S41 for each first-screen item allocation combination until there is no adjusted item allocation combination that meets the condition or all items to be allocated cannot continue to be adjusted in terms of time range (that is, all unoccupied reserved physical examination time ranges have been traversed), and obtain the sum of time differences tz corresponding to all adjusted item allocation combinations that meet the condition;

[0074] S43. Select one of the item allocation combinations with the smallest corresponding sum of time differences or one of the first multiple item allocation combinations arranged in ascending order of tz as the final item allocation combination of the real-time personnel to be physically examined.

[0075] The present invention analyzes the physical examination items of the personnel to be physically examined and the available time of each physical examination item within the corresponding physical examination date, and obtains the item time distribution combination with the smallest or relatively small waiting time of the personnel to be physically examined to adjust the order and time distribution of the physical examination items of the personnel to be physically examined, thereby reducing the waiting time of the personnel to be physically examined, improving the physical examination efficiency, and effectively realizing the diversion of the physical examination personnel and reducing the situation where a large number of waiting personnel exist in a short time in the area.

[0076] In a further aspect of the present invention, after selecting the first several item allocation combinations in ascending order of tz values and combining them, the method of selecting one of them as the final item allocation combination for the person to be physically examined in real time is as follows:

[0077] Obtain the first several item allocation combinations selected in ascending order of tz values and the time differences between the corresponding reserved physical examination time ranges of adjacent items to be allocated in each item allocation combination;

[0078] Obtain the minimum time difference corresponding to each item allocation combination;

[0079] Obtain the item allocation combination corresponding to the maximum minimum time difference, and use this item allocation combination as the final item allocation combination.

[0080] Since there are many variables in the actual physical examination process, this can avoid the influence of too small time differences between the reserved physical examination time ranges of two adjacent items in the final item allocation combination on the smoothness of the entire physical examination process of the person to be physically examined and the physical examination processes of each physical examination item, and ensure that there is enough time between two physical examination items for the person to be physically examined.

[0081] Embodiment 2

[0082] In Embodiment 1, the arrangement is made according to the real-time reservation situation of physical examination items and the physical examination plan of the person to be physically examined. On the basis of Embodiment 1, this embodiment further adjusts the final item allocation combination of each person to be physically examined;

[0083] After the allocation is completed, obtain the persons to be physically examined and items with relatively large time deviations in some physical examination items;

[0084] Adjust these items for such customers to see if they can be further adjusted to improve the overall efficiency.

[0085] The specific method is as follows:

[0086] Obtain the final item allocation combination corresponding to each person to be physically examined;

[0087] For the final item allocation combination corresponding to a person to be physically examined, calculate and obtain the time differences T between the earliest item to be allocated and the latest item to be allocated in this final item allocation combination and the corresponding reserved physical examination time ranges of adjacent items to be allocated, and obtain the earliest item to be allocated and the latest item to be allocated that satisfy T>T1 among them;

[0088] Obtain the earliest items to be allocated and the latest items to be allocated that satisfy T>T1 corresponding to each person to be physically examined on the same physical examination date, and mark these earliest items to be allocated and the latest items to be allocated that satisfy T>T1 as adjustable items;

[0089] Replace the adjustable items with the corresponding reserved physical examination time ranges of each item to be allocated of the same type, and obtain a replacement plan that satisfies the reduction of the sum of time differences tz corresponding to at least one party;

[0090] Preferably, the replacement plan should satisfy the reduction of the sum of time differences tz corresponding to at least one party, and the sum of time differences tz of other parties remains unchanged or decreases or increases by a magnitude less than a preset percentage;

[0091] Use the replacement plan; specifically, before use, opinions can also be solicited from both parties or multiple parties affected by the replacement plan. If both parties agree, the replacement plan is adopted.

[0092] Since when the remaining available reserved physical examination time range is limited, the selection of the item allocation combinations of several last personnel to be physically examined is not large, and there may be a large time difference between some physical examination items and other physical examination items, affecting the sum of time differences. Therefore, through reasonable reallocation, the occurrence of this situation is reduced as much as possible, and the overall physical examination efficiency is improved.

[0093] The above content is only an example and explanation of the present invention. Those skilled in the art of the present technology make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the invention or exceed the scope defined by the claims of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. A method for managing the execution time allocation of physical examination items, characterized in that: The steps include: The first step is to obtain the average execution time of each physical examination item in the hospital; The second step is to obtain the physical examination plan of the person to be examined; The physical examination plan includes the physical examination date and physical examination items of the examinee; The third step is to monitor the reservation status of each physical examination item in real time, including the reservation information of each physical examination item and the reservation time range of each reservation person; And within the same physical examination date, one scheduled physical examination time range only corresponds to one person who made the appointment; The fourth step is to obtain the earliest time range corresponding to each physical examination item of the person to be examined within the physical examination date, and then obtain the time difference between adjacent physical examination items, and select the plan with a shorter overall duration and non-overlapping appointment time ranges for adjacent physical examination items as the final plan.

2. A method for managing the execution time of physical examination items according to claim 1, characterized in that: After the final plan is determined, the order of the items to be assigned in the final plan and the corresponding scheduled physical examination time range are sent to the terminal device of the person to be examined in real time.

3. A method for managing the execution time allocation of physical examination items according to claim 1, characterized in that: The method for determining the time range for scheduled physical examination is as follows: After obtaining the average execution time of the physical examination items, the working hours are divided into k estimated physical examination time ranges according to the quota number k of the physical examination items during the working hours. The duration of each estimated physical examination time range is the average execution time of the corresponding physical examination items.

4. A method for managing the execution time allocation of physical examination items according to claim 1, characterized in that: The fourth step specifically includes: S1. For a person who has initiated a physical examination appointment, mark him / her as a real-time person to be examined, and mark the physical examination items of the real-time person to be examined as items to be assigned; Obtain the physical examination plan of the person to be examined in real time, and at the same time obtain the unoccupied scheduled physical examination time range of each item to be assigned on the physical examination date of the person to be examined in real time; S2. After arranging the unoccupied scheduled physical examination time ranges in chronological order, select the first unoccupied scheduled physical examination time range in each to-be-allocated project, and obtain the initial project allocation combination (A1, A2, ..., An) in chronological order, where n represents the number of to-be-allocated projects, and Ai represents different to-be-allocated projects; S3. Determine whether there is overlap between the scheduled physical examination time ranges of each Ai. If there is overlap, make adjustments until there is no overlap between the scheduled physical examination time ranges of Ai1 in the updated project allocation combination (A11, A21, ..., An1); S4, calculate the time difference between adjacent Ai1, and obtain the time difference combination (t1, t2, ..., t n-1 ); The appointment physical examination time ranges for the items to be assigned corresponding to these time difference values ​​are further adjusted to obtain the item allocation combination corresponding to when the sum of the time differences tz=t1+t2+...+tn-1 is the smallest or smaller value, and one is taken as the final plan for the real-time physical examination personnel.

5. A method for managing the execution time allocation of physical examination items according to claim 1, characterized in that: The method for adjusting in step S3 is: S31, determining that there is an overlapping Ai1; S32, postpone the overlapping one or more directions to an unoccupied scheduled physical examination time range, and continue to determine whether there is overlap between the updated Ai1; S33. If there is still overlap, enter S2; if there is no overlap, complete the adjustment.

6. A method for managing the execution time allocation of physical examination items according to claim 5, characterized in that: The method for further adjusting the time range for scheduled physical examinations in S4 is as follows: S41, adjusting the scheduled physical examination time range of the to-be-allocated project A11 at the beginning in sequence backwards until the to-be-allocated project A11 is at the end of the project allocation combination. The adjusted A11 meets the following conditions: it does not overlap with the scheduled physical examination time range of any project to be allocated in the project allocation combination; If there is no adjusted project allocation combination that meets the condition, the project allocation combination obtained in step S3 is the final solution; If there is an adjusted project allocation combination that meets the condition, obtain all adjusted project allocation combinations that meet the condition, mark these project allocation combinations as a first-screen project allocation combination, and calculate the sum of the time differences tz corresponding to each first-screen project allocation combination; S42, executing the process in step S41 for each first screening item allocation combination until there is no adjusted item allocation combination that meets the conditions or the traversal of all unoccupied scheduled physical examination time ranges has been completed, and obtaining the sum tz of the time differences corresponding to all adjusted item allocation combinations that meet the conditions; S43, selecting the one with the smallest sum of corresponding time differences or one of the top multiple item allocation combinations arranged in ascending order of tz as the final plan for the person to be examined in real time.

7. A method for managing the execution time allocation of physical examination items according to claim 6, characterized in that: After selecting the first multiple item allocation combinations in the order of tz value from small to large, the method of selecting one of them as the final item allocation combination of the real-time physical examination personnel is as follows: Get the time difference between the scheduled physical examination time ranges corresponding to the adjacent items to be allocated in each item allocation combination and select the first multiple item allocation combinations in the order of tz value from small to large; Get the minimum time difference corresponding to each project allocation combination; Obtain the project allocation combination corresponding to the largest minimum value of the time difference, and use that project allocation combination as the final project allocation combination.

8. A method for managing the execution time allocation of physical examination items according to claim 1, characterized in that: After all the candidates for physical examination have determined the final plan, the final plan will be further adjusted. The specific method is as follows: Obtain the project allocation combination of the final plan corresponding to each person to be examined; Calculate the time difference T between the earliest and latest items to be allocated in the item allocation combination and the scheduled physical examination time ranges corresponding to the adjacent items to be allocated, obtain the earliest and latest items to be allocated that satisfy T>T1, and mark these earliest and latest items to be allocated that satisfy T>T1 as adjustable items; Replace the adjustable items with the same type of items to be allocated in the corresponding scheduled physical examination time range to obtain a replacement plan that satisfies the situation that the sum of the time differences tz corresponding to at least one party is reduced, while the sum of the time differences tz of the other parties remains unchanged or decreases or increases by less than a preset percentage.