343results about How to "Reduce financial burden" patented technology

The invention discloses a diagnostic marker of an acute myelogenous leukemia prognosis model as well as application and a prediction method of the diagnostic marker, and relates to the field of acute myelogenous leukemia prognosis research. The prognosis model is a prognosis model of acute myelogenous leukemia based on eight clinical characteristics, namely the disease age, the LDH level during disease, the RUNX1 gene, the KMT2A gene, the TP53 gene, the DMNT3A gene, the CBFB:: MYH11 gene and whether the first course of treatment is relieved or not; the construction method comprises the following steps of: sequentially carrying out univariate Cox regression analysis, Kaplan-Meier survival analysis and multivariate Cox regression analysis on clinical data of a patient from a data set and RNA sequencing data of peripheral blood and bone marrow samples in combination with survival information, further weighting an expression level according to an obtained regression coefficient, and carrying out quantitative analysis on the expression level. And establishing a prognosis model of acute myelogenous leukemia based on eight clinical characteristics. The acute myelogenous leukemia prognosis model disclosed by the invention has a relatively good evaluation effect.

The invention discloses a method for establishing a pulmonary nodule malignant risk prediction model by integrating iconography indexes and expired gas VOCs (Volatile Organic Compounds) data, and belongs to the field of precancerous lesions of lung cancer and early prediction of lung cancer. In order to improve the accuracy of precancerous lesions of lung cancer and early prediction of lung cancer, the method comprises the following steps: acquiring a CT image of a patient with pulmonary nodules detected in lung CT, then processing the CT image of the patient with pulmonary nodules, and extracting image data of iconography indexes; collecting exhaled air VOCs of the pulmonary nodule patient, performing exhaled air VOCs index calibration and abundance analysis to obtain exhaled air data, and then performing multi-omics data arrangement in combination with image data to obtain a multi-omics data set; formulating a lung nodule malignant risk degree standard; and constructing a multi-omics deep learning model, and training the multi-omics deep learning model by using the data set of the pulmonary nodule malignant risk prediction model to obtain a pulmonary nodule malignant risk prediction model integrating iconography indexes and expired gas VOCs data.

The invention provides a method and a device for simulating a video medium by a multi-mode medium in dubbing and a readable storage medium thereof. In the dubbing field, a traditional video medium has the problems of high cost, poor flexibility and the like. According to the method, multi-mode media such as audios, pictures and texts are dynamically loaded during program running, and the video effect is simulated through specific steps. The method comprises the following steps of: initializing an item, configuring resources, requesting and analyzing data, loading a UI (User Interface) control, synchronizing the data and the control, adding an interactive operation and an extended function, and finally releasing the resources. The technology effectively reduces the cost, realizes resource sharing, improves the operation efficiency and flexibility, has cross-platform compatibility, has important practical value in dubbing and other multimedia application scenes, and can bring more efficient and convenient experience to users.

The invention discloses an air source heat pump intelligent regulation and control method based on cost benefit analysis, and relates to the technical field of air source heat pumps, and the method comprises the following steps: collecting operation data by using an air source heat pump and monitoring equipment, and establishing a characteristic parameter set which comprises an environment heat demand characteristic, a time-of-use electricity price time sequence characteristic and a heat pump operation efficiency characteristic; based on the characteristic parameter set, a multi-level decision-making model is established with the purpose of minimizing the energy cost, and the output strategy of the air source heat pump is determined; and on the basis of the multi-level decision model, constraint conditions are set, an adjusting strategy of the air source heat pump is determined, and operation parameters of the air source heat pump are regulated and controlled in real time according to the adjusting strategy. According to the method, the time period with high efficiency can be recognized and utilized for heat energy supply, meanwhile, the energy storage characteristic of the building is considered, output is increased for energy storage in the electricity price valley period, output is reduced in the peak period, stored heat is utilized for heat supply, and the economical efficiency of the air source heat pump is improved.

The invention relates to a zero-exchange balloon catheter stent system with a far-end protective umbrella and a using method, and belongs to the technical field of medical instruments. Comprising a balloon catheter and a stent system which are connected, the stent system comprises a conveying system and a stent; the conveying system comprises a control core wire; the center of the control core wire is provided with a connecting binding wire fixing hole and a connecting binding wire releasing point; the support comprises a near-end support, a connecting area and a far-end protective umbrella, and the connecting area is located between the near-end support and the far-end protective umbrella; the connecting area comprises a connecting binding wire, a protective umbrella wire binding ring and a protective umbrella connecting wire. The far-end protection umbrella and the near-end support are designed to be a separable combination, instrument exchange is not needed in the operation process, the operation process is simplified, the operation difficulty is reduced, the operation time is shortened, and therefore the risk of complications such as ischemic stroke is reduced.

The invention relates to the field of medicine, in particular to application of chlorogenic acid or pharmaceutically acceptable salt thereof in preventing, inhibiting or treating aortic dissection. The obvious effect of chlorogenic acid in treating the aortic dissection is found for the first time, and a brand new thought and method are provided for treating the aortic dissection. Besides, compared with the traditional surgical operation and interventional therapy, the chlorogenic acid is relatively low in treatment cost, so that the economic burden of a patient is relieved, and meanwhile, the consumption of medical resources is also reduced.

The utility model discloses a novel split movable denture, which comprises a gum, a base, a tooth hook, a tooth seat and a tooth crown, and is provided with a mounting device, a movable rod is pushed to move through an adjusting plate, the movable rod pushes the adjusting rod to move when moving, then the tooth crown is taken out, and the tooth crown pushes a limiting block to move when moving. A new dental crown is placed along the fixing rod, the movable rod is loosened, the spring pushes the adjusting rod to move upwards, the limiting block is pushed when the adjusting rod moves, the limiting block enters the limiting groove to be fixed, through the arrangement, the dental crown can be conveniently and rapidly detached and replaced, replacement of the whole false tooth is not needed, and the economic burden of a patient is relieved; the service life of the denture is prolonged.

The invention relates to the technical field of power system optimization operation, and discloses a cascade water-wind-light combined peak regulation method and system containing a hybrid water pumping station, and the method comprises the steps: obtaining the historical data of a cascade watershed wind-light power station, and predicting the scheduling data of the cascade watershed wind-light power station; an optimization model is constructed, and solving is carried out; and based on the solution of the optimization model, generating a scheduling instruction of the cascade watershed wind-solar power station. By optimizing the model, the adjusting efficiency of the hybrid pumped storage power station is effectively improved, and the hybrid pumped storage power station can flexibly participate in peak regulation of a power system. And meanwhile, the consumption rate of new energy such as wind power and photovoltaic energy is remarkably improved, and the phenomenon of electricity abandoning is reduced. And by reasonably controlling the operation of the thermal power generating unit, the dependence on thermal power is reduced, so that carbon emission is reduced, and environmental protection and sustainable development are promoted. In addition, by smoothing the residual load of the system, the load peak-valley difference is reduced, the stability of the power grid is enhanced, and the economic burden of system operation is reduced.

The utility model discloses a tank container temperature control remote monitoring and operating system, the tank container is provided with a temperature control cabinet, a controller (1) used for controlling the temperature of the tank container is arranged in the temperature control cabinet, the system comprises a data acquisition transmission end (2), a wireless network communication end (3), a cloud platform (4) and a remote terminal (5), the data acquisition and transmission end (2) is connected with the controller (1), the data acquisition and transmission end (2) is connected with the wireless network communication end (3) through a data line or a wireless signal, the wireless network communication end (3) is connected with the cloud platform (4) through a wireless network, and the cloud platform (4) is connected with the remote terminal (5) through the Internet. According to the utility model, the temperature control of the tank container can be remotely monitored and operated anytime and anywhere through remote terminals such as a mobile phone, a PAD, a computer and the like, the quality and safety of materials in the tank are ensured, the structure is simple, and the practical effect is good.

An oval body adjustable gynecological close-range after-loading source applicator solves the problem that cervical cancer patients who cannot adapt to various vaginal environments in the prior art are prone to errors in radiotherapy doses, leading to tumor control failure and aggravated side effects. It includes an intermediate connecting frame composed of a connecting frame body, characterized in that: the source applicator bend is inserted into the bend installation hole at the upper end of the intermediate connecting frame; the oval body left hemisphere and the oval body right hemisphere symmetrically arranged on both sides of the intermediate connecting frame are both composed of hemispherical shells, and the opposite sides of the two hemispherical shells are respectively provided with concave cavities; the oval body left hemisphere and the oval body right hemisphere are connected to the intermediate connecting frame through an oval body adjustment mechanism. It has a reasonable design and a compact structure, can meet the treatment needs of different types of patients with mid- and late-stage cervical cancer radiotherapy, is easy to operate, can effectively improve the quality of radiotherapy, is non-invasive, has small side effects after treatment, is economical and practical, and has good patient compliance.

The invention discloses an application of pentagalloylglucose (PGG) in preparation of a medicine for resisting doxorubicin cardiotoxicity. The method comprises the following steps: inducing doxorubicin (DOX), establishing a myocardial cell H9C2 injury model, and determining the DOX-induced myocardial cell injury minimum concentration; after 20 [mu] M of PGG is added into a treatment group, DOX-induced H9C2 cell apoptosis can be significantly improved. A mouse myocardial injury model is induced and established by DOX, and compared with a doxorubicin group, the left ventricular systolic fraction (FS%) and ejection fraction (EF%) of mice in the doxorubicin and pentagalloylglucose group are remarkably increased, the myocardial fiber structure is improved, the cytoplasm vacuolation is reduced, the serum cTnT and BNP levels are reduced, and the ROS level is reduced. The experiment proves that the pentagalloylglucose can obviously reduce the cardiotoxicity induced by the DOX.

The invention relates to the technical field of medical information, and particularly discloses a heart disease rehabilitation follow-up visit data management system and method based on data tracking, and the system collects health state data and activity level data of a patient, analyzes the data, and calculates a heart rate fluctuation index and a blood pressure fluctuation index; the heart rate and the blood pressure stability of the patient are evaluated; the activity time ratio of each patient is calculated, and a fitness score is calculated through a comprehensive formula and used for judging whether the health state of the patient is suitable for the current activity level or not; according to the fitness score, the patients are classified into two types of suitable activities and non-suitable activities; for patients suitable for activities, the system suggests to maintain the current activity level and properly reduces the monitoring frequency; for patients not suitable for activities, the monitoring frequency is enhanced, and rehabilitation ability scores are obtained through comprehensive analysis; finally, according to comparison of the rehabilitation ability score and a preset threshold value, whether a treatment scheme needs to be adjusted or not is determined.

The invention discloses a Mendel randomization-based mental disease drug targeted analysis method and system, and the method comprises the steps: carrying out the analysis processing through a Mendel randomization analysis process, and obtaining the causal effect estimation of each target gene corresponding to a plurality of phenotypes; performing multiple inspection correction on the causal effect estimation of each target gene corresponding to multiple phenotypes to obtain a significant target gene after correction; carrying out sensitivity analysis on the corrected significant target genes to obtain the target genes screened for the first time; performing co-localization analysis on the target genes screened for the first time to obtain target genes screened for the second time; carrying out pathway enrichment analysis on the target genes screened for the second time, then carrying out protein interaction network analysis, and finally carrying out drug matching on the target genes of the protein interaction network to obtain an old drug new use prediction result or taking the target genes as the target genes for guiding new drug preparation.

The invention discloses a woven reinforced polyether-ether-ketone composite conduit capable of being continuously produced and a processing method and application thereof, the woven reinforced polyether-ether-ketone composite conduit comprises an inner-layer pipe, a middle woven layer and an outer-layer pipe structure, and the inner-layer pipe, the middle woven layer and the outer-layer pipe structure are all made of polyether-ether-ketone; and the outer-layer pipe structure is formed outside the inner-layer pipe and the middle woven layer through a dip-coating process. The invention has the following advantages and effects: the scheme utilizes a new mechanical structure, and has the effects of facilitating continuous industrial production, improving the processing efficiency, reducing the economic burden of a patient, prolonging the service life and effectively improving the overall bending performance of the composite conduit.

The invention relates to the technical field of medical treatment, and discloses a credit medical limit evaluation method based on a decision boosting tree, and the method can achieve the adjustment of an initial limit according to the disease type of a patient, can achieve the more precise matching of the medical demands of the patient, and avoids a one-time limit setting mode. For patients with relatively high rehabilitation cost, the credit medical limit evaluation system can provide certain economic support and reduce the economic burden of the patients; according to the method, the overdue condition of the patient in hospital and the overdue condition of the patient in non-hospital are scored differently, so that the credit condition of the patient can be reflected more intuitively, and the influence of the overdue condition and the like caused by the patient in hospital on the credit line is small; according to the mode, a forward excitation signal can be transmitted, but overdue behaviors under special conditions are also understood and contained, and the inclusiveness is beneficial to enhancing the credit awareness of the patient and promoting the patient to maintain own credit records more positively in the future.

The invention discloses an electric vehicle network interaction control method and system based on a fast charging right, and belongs to the technical field of vehicle charging, and the method comprises the steps: building an electric vehicle fast charging right integral database; initializing an electricity price coefficient krice and excitation intensity SEn; monitoring the state of the power grid; judging whether the power grid is in a demand response state at the current moment; determining a power limit value PSC according to the power demand of the power grid at the current moment; according to the power limit value PSC and the charging power and state at the end of the previous moment, determining an electricity price coefficient Krice and excitation force SEn at the current moment; the charging mode and the charging power are determined according to the electricity price coefficient kPrice and the excitation force SEn of the current power grid and the state of the electric vehicle, the step of monitoring the state of the power grid is executed after the current moment is ended, and monitoring and adjustment are continued; according to the electric vehicle network interaction control method and system based on the quick charging right, the power grid adjustment cost is effectively reduced.

The embodiment of the present application provides a device for assisting oral muscle training for children with autism, the device includes an inflatable airbag, a shell and a jump piece. By blowing air into the second air port, the airflow enters the inner cavity of the connecting part from the second air port, and makes a sound under the action of the airflow when passing through the whistle opening; the airflow flows to the first air port, and enters the inflatable airbag through the first air port. The inflatable airbag swells after being inflated, and when it swells, a force is formed on the jump piece, and the jump piece bounces upward under the action of the inflatable airbag. Compared with the existing oral muscle auxiliary training equipment for children with autism, which is more expensive, the device provided by the embodiment of the present application has a simple structure, low cost, and is suitable for mass production, which can effectively reduce the economic burden of the families of children with autism. It effectively solves the technical problem of the high cost of using professional equipment in the prior art and the inability to popularize auxiliary training tools for use in families.

The invention relates to the technical field of digital medical treatment, in particular to a method and a device for constructing a colorectal cancer multi-mode recurrence risk model. The construction method comprises the following steps: acquiring a panoramic digital scanning image of a pathological tissue section of a colorectal cancer patient; constructing a data set and selecting a region of interest by using the panoramic digital scanning image; constructing a pathological omics feature scoring model, a collagen feature scoring model and an immune feature scoring model through the region of interest; and according to the pathological omics feature scoring model, the collagen feature scoring model and the immune feature scoring model, constructing a multi-modal recurrence risk model. On the basis of an image analysis technology, the pathological omics feature scoring model, the collagen feature scoring model and the immune feature scoring model are constructed and integrated into the multi-mode recurrence risk model, and accurate prediction of the recurrence risk of the colorectal cancer patient is achieved.

The invention belongs to the technical field of medicine, and provides a traditional Chinese medicine composition, a traditional Chinese medicine preparation and application thereof, and the traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 20-30 parts of astragalus membranaceus, 20-30 parts of phaseolus calcaratus, 5-10 parts of radix rehmanniae, 10-20 parts of endothelium corneum gigeriae galli, 10-15 parts of hawthorn and 5-20 parts of fingered citron. The traditional Chinese medicine composition disclosed by the invention has an exact curative effect on improving the liver function, total bile acid metabolism and the like of intrahepatic cholestasis in the gestation period. Clinical, animal and cell test results show that the traditional Chinese medicine composition can effectively improve symptoms and signs of intrahepatic cholestasis in the gestation period.

The invention discloses an application of hydroxygenkwanin (HGK) in preparation of a drug for preventing and treating cardiotoxicity induced by antitumor drugs. The method comprises the following steps: inducing doxorubicin (DOX), establishing a myocardial cell H9C2 injury model, and determining the DOX-induced myocardial cell injury minimum concentration; after 20 [mu] M of HGK is added into a treatment group, DOX-induced H9C2 cell apoptosis can be significantly improved. A mouse myocardial injury model is induced and established by DOX, and compared with a doxorubicin group, the left ventricular systolic fraction (FS%) and ejection fraction (EF%) of mice in the doxorubicin and hydroxygenkwanin group are remarkably increased, the myocardial fiber structure is improved, the cytoplasm vacuolation is reduced, the levels of serum cTnT, CK-MB and BNP are reduced, and the ROS level of heart tissue is reduced. Therefore, the hydroxygenkwanin can obviously reduce the cardiotoxicity induced by the DOX.

The present invention discloses a CT-guided percutaneous puncture lung nodule cutter, comprising an outer sheath puncture guide needle and a net bag-shaped electromagnetic cutting system, wherein a hollow sleeve is arranged inside the outer sheath puncture guide needle, and the net bag-shaped electromagnetic cutting system is arranged in the space between the outer sheath puncture guide needle and the hollow sleeve, wherein the main body of the net bag-shaped electromagnetic cutting system is made of a tubular polymer shape memory material, and at the same time, the position of the tubular shape facing the tip of the outer sheath puncture guide needle is integrally formed into two net bags; the invention ensures the comfort of patients, the safety of doctors' operation, and the effectiveness of pathological sampling, and allows medical personnel engaged in puncture biopsy to use the pulmonary nodule puncture cutter, which is simple and easy to operate, and has safe and accurate positioning, and significantly improves the success rate of pathological diagnosis of pulmonary nodules, while reducing the economic burden of patients and improving their comfort; it is also conducive to promoting and popularizing CT-guided percutaneous cutting biopsy of pulmonary nodules.

The invention discloses an adult icu patient MARSI risk prediction method and system, and relates to the technical field of MARSI risk assessment, and the method comprises the steps: collecting adult icu patient MARSI data; performing single-factor analysis on the data to obtain a significance result of each variable in the single-factor analysis; a Logistic multi-factor regression model is constructed; according to the constructed Logistic multi-factor regression model, obtaining an independent risk factor; and constructing a column graph risk prediction model based on the independent risk factors, and performing real-time risk prediction through the column graph risk prediction model. According to the method, MARSI risk factors of the adult ICU patient are analyzed, the risk prediction model is constructed, and external verification is performed, so that a screening tool is provided for early identification of the risk of medical viscose-related skin injury of the ICU patient, occurrence of medical viscose-related adverse events of the ICU patient is reduced, the economic burden of the patient is relieved, and the satisfaction degree of the patient is improved.

The utility model belongs to the technical field of medical instruments, in particular to a ureter stent tube and a pulling device, which comprises a stent tube, a guide wire, a pushing tube, a catheter and a catcher, a plurality of tail wires are arranged on the stent tube, a plurality of suckers are arranged on the tail wires at equal intervals, one end of the pushing tube wraps the tail wires and is sleeved at the outer end of the stent tube, and the other end of the pushing tube is sleeved at the outer end of the catheter. A first operation cavity, a second operation cavity, an air inflation cavity and a water injection cavity are formed in the catheter, the first operation cavity and the second operation cavity facilitate penetrating of the guide wire and the capturing device, the air inflation cavity facilitates air inflation into the air bag, the water injection cavity injects water into the bladder, a traction base, a mounting plate and a reset spring are arranged in the capturing device, and the traction base is connected with the mounting plate and a pull ring through a traction rope. By means of the device, a stent tube can be directly pulled out conveniently, pain and inconvenience caused by pulling out of special instruments such as a cystoscope and a ureteroscope can be avoided, and meanwhile the economic burden of a patient is reduced.

The invention discloses a soil remediation agent as well as a preparation process and a preparation system of the soil remediation agent. The soil remediation agent is prepared from the following raw materials: citric acid modified manioc waste, hydrotalcite-like compound, fly ash and a microbial agent, the preparation process of the soil remediation agent comprises the following steps: S1, adding the citric acid modified manioc waste, the hydrotalcite-like compound and the fly ash into preparation equipment according to a ratio; the preparation system comprises preparation equipment, the preparation equipment comprises an annular supporting seat, and a preparation cylinder is mounted on the annular supporting seat. According to the soil remediation agent, the adsorption effect on heavy metal cadmium is remarkably improved, the soil flora environment is improved through the microbial agent, plant growth is promoted, the multiple production steps of mixing, grinding, drying and the like are integrated in the same equipment, integrated production of the soil remediation agent is achieved, and the soil remediation agent is suitable for large-scale production. Therefore, the running times of raw materials among different devices are remarkably reduced, the workload of workers and the workload during production are reduced, and the production efficiency is improved.

The utility model relates to the technical field of medical treatment, in particular to a radiation shielding device and a boron neutron capture therapy system.The radiation shielding device comprises a first shielding layer used for shielding neutron beam scattering and a second shielding layer which has no shielding effect on neutron beams and is used for shielding gamma rays in the neutron beams. The first shielding layer and the second shielding layer are arranged in an attached mode, the first shielding layer is provided with a beam outlet hole allowing a neutron beam to penetrate through, and the position, corresponding to the beam outlet hole, of the second shielding layer is not provided with the beam outlet hole, so that the second shielding layer is kept complete. Wherein the radiation shielding device can effectively protect normal tissues of a patient from being damaged by scattered neutron beams and gamma rays, and the normal tissues are prevented from being damaged by radiation; the method does not need to adapt to body types of patients, is high in universality and does not need to be customized according to body type differences of the patients, cost is remarkably reduced, and economic burdens of the patients are smaller. And direct contact with a patient is not needed, so that the comfort of the patient is better while the shielding effect is ensured.

The invention discloses a method for synthesizing a CTPA blood vessel image based on a plain-scan CT image, and the method comprises the steps: carrying out the registration and preprocessing of the plain-scan CT image and the CTPA image, taking three continuous plain-scan CT slice images at a selected depth as samples, taking three continuous CTPA slice images at corresponding positions in the CTPA image as labels, and carrying out the recognition of the CTPA blood vessel image. Determining a blood vessel tissue area of the label and the edge of the enhanced blood vessel; a U-Net model is constructed; constructing a loss function loss; training the U-Net model based on the sample; and sequentially taking three plain-scan CT slice images from a plain-scan CT image to be predicted according to the depth, and inputting the three plain-scan CT slice images into the trained U-Net model to obtain a predicted CTPA image. According to the method, the image effect similar to CTPA is simulated or reconstructed through the non-enhanced plain-scan CT image. This method has reduced patient radiation exposure, shortened examination time, and possibly reduced examination costs.

The invention discloses a self-adaptive adjustment floating type offshore photovoltaic power generation platform, which comprises a floating platform, a sleeve, a supporting rod, a first photovoltaic panel, an electromagnet, a magnetic attraction piece, a torque sensor and a controller, and is characterized in that the supporting rod is rotatably connected with the sleeve, the first photovoltaic panel is arranged at the other end of the supporting rod, and the electromagnet is arranged at the other end of the first photovoltaic panel; the controller is respectively connected with the torque sensor and the electromagnet, when a detection value of the torque sensor exceeds a preset value, the controller controls the electromagnet to be powered off, and when the torque sensor detects that the detection value of the torque sensor is lower than the preset value, the controller controls the electromagnet to be powered on. According to the floating type offshore photovoltaic power generation platform, the torque value of the supporting rod is detected in real time through the torque sensor, power-on and power-off of the electromagnet are automatically controlled according to the torque value, the first photovoltaic panel can conduct self-adaptive adjustment according to changes of the offshore environment, and the floating type offshore photovoltaic power generation platform better adapts to the complex and changeable marine environment.

The application discloses application of a naphthalene nitrile derivative in preparation of an antitumor pharmaceutical composition, in particular, application of a 2-(imino)-naphthalene nitrile derivative in preparation of an antitumor pharmaceutical composition. The 2-(imino)-naphthalene nitrile derivative provided by the application has a significant inhibiting effect on colon cancer, liver cancer, lung cancer, prostate cancer, cervical cancer, neuroglioma and breast cancer, exhibits excellent antitumor characteristics, can be used as a leading drug molecule for resisting tumors, and has a good development and application prospect in development of antitumor drugs.

An entity exhibition digital display system disclosed by the present invention comprises a cloud display module, a cloud negotiation module, a cloud interaction module and a data analysis module, the cloud display module provides virtual booths and a 3D exhibit display function for exhibitors, the exhibitors and audiences can communicate in real time through the cloud negotiation module, the cloud interaction module supports a plurality of interaction modes, and the data analysis module is used for analyzing the interaction modes. The data analysis module collects and analyzes behavior data of audiences. The digital display system for the entity exhibition has the beneficial effects that through a digital means, the interactivity and interestingness of the exhibition are enhanced, the participation degree and interest of audiences are improved, the manufacturing and transportation cost of entity exhibits is reduced, the economic burden of exhibitors and sponsors is reduced, and the interestingness of the exhibition is improved. And through the functions of online business negotiation, data analysis and the like, the efficiency and convenience of business negotiation are improved.