Traditional Chinese medicine formula for clearing away lung-heat and relieving cough and preparation method of traditional Chinese medicine formula

Abstract

The invention discloses a traditional Chinese medicine formula for clearing lung and relieving cough. The traditional Chinese medicine formula is characterized by comprising the following main components: bulbus fritillariae cirrhosae, pericarpium citri reticulatae, folium eriobotryae, platycodon grandiflorum, houttuynia cordata, folium mori, mint, lily, radix ophiopogonis, semen armeniacae amarae and cane sugar. The preparation method of the traditional Chinese medicine formula for clearing away the lung-heat and relieving the cough comprises the following steps: step 1, selecting the raw materials; step 2, pretreating the raw materials; step 3, decocting and extracting; step 4, concentrating into paste; according to the method, partial medicinal materials are pretreated, the release speed and release amount of effective components in the medicinal materials can be increased, residual effective components in medicine residues are fully separated out through three times of separate decoction, the extraction rate of the effective components in the medicinal materials is increased, and the problems that the utilization rate of raw materials is low and the extraction efficiency of the effective components is not high are solved; the cell wall of the bulbus fritillariae cirrhosae is broken, so that the effective components in the cell wall are fully exposed, and the release speed and the release amount of the effective components are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of Chinese medicine preparation, and in particular to a Chinese medicine formula for clearing lungs and relieving cough and a preparation method thereof. Background Art

[0002] Lung heat cough is a symptom characterized by cough due to stagnation of heat in the lungs and failure of lung qi to spread. It is more common in children and the elderly with low immunity. From the perspective of traditional Chinese medicine, lung heat cough belongs to febrile disease. Respiratory diseases such as respiratory tract infections and acute and chronic bronchitis attacks in modern medicine may all present with this symptom. Chinese medicine is used to treat lung heat cough. Traditional Chinese medicine has a long history. As an important part of traditional Chinese medicine, Chinese medicine plays an important role in health care and treatment of diseases. Among them, nourishing the body and lungs, clearing heat, removing phlegm and relieving cough are major features of Chinese medicine. In traditional Chinese medicine theory, clearing the lungs and relieving cough are important methods for treating symptoms such as cough, excessive phlegm and asthma caused by lung heat, dryness or exogenous wind and cold. By rationally combining Chinese medicinal materials, the yin and yang of the human body can be reconciled, lung heat can be cleared, cough and phlegm can be relieved, and the purpose of treatment can be achieved. Existing Chinese medicines for clearing the lungs and relieving cough use conventional methods to extract Chinese medicinal materials, which cannot completely release the effective ingredients in the Chinese medicinal materials, and cannot fully analyze the effective ingredients remaining in the medicine residues, resulting in low raw material utilization and low extraction efficiency of effective ingredients. Summary of the invention

[0003] The invention aims to provide a traditional Chinese medicine prescription for clearing lungs and relieving cough, characterized in that its main ingredients are fritillaria cirrhosa, tangerine peel, loquat leaf, platycodon grandiflorum, houttuynia cordata, mulberry leaf, mint, lily, ophiopogon japonicus, bitter almond and sucrose, wherein, by weight, 40-90 parts of fritillaria cirrhosa, 20-50 parts of tangerine peel, 30-80 parts of loquat leaf, 50-70 parts of platycodon grandiflorum, 60-120 parts of houttuynia cordata, 30-60 parts of mulberry leaf, 40-80 parts of mint, 30-60 parts of lily, 20-40 parts of ophiopogon japonicus, 50-70 parts of bitter almond, 20-40 parts of aristolochia aucklandiae and 5-20 parts of sucrose.

[0004] A method for preparing a traditional Chinese medicine formula for clearing lungs and relieving cough, comprising step one: selecting raw materials, step two: pre-treating raw materials, step three: decocting and extracting, step four: concentrating into paste, step five: granulating and forming, and step six: drying;

[0005] In the above step 1, the staff selected 60 parts of Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 70 parts of houttuynia, 35 parts of mulberry leaves, 50 parts of mint, 50 parts of lily, 30 parts of ophiopogon, 60 parts of bitter almonds, 30 parts of costus root, and 12 parts of sucrose according to weight parts;

[0006] In the above step 2, mint, houttuynia cordata, bitter almond, sucrose, Aristolochia aucklandiae and Fritillaria cirrhosae are pretreated, wherein:

[0007] Heat and distill mint and houttuynia cordata, collect the distillate, and store it in a separate container;

[0008] Soak bitter almonds in warm water for 24 hours, heat and distill, pour the distillate into a container filled with 90% ethanol, collect the bitter almond distillate, and determine the content of amygdalin, add distilled water to dilute to 1.79g amygdalin per 100ml;

[0009] Preparation of simple syrup from sucrose: Take sucrose and distilled water in a mass ratio of 2:1, stir to dissolve, heat to 100°C to ensure that the sucrose is completely dissolved, filter the syrup to remove undissolved sucrose particles and other impurities, and after the syrup cools slightly, add an appropriate amount of distilled water to dilute it to the required volume, stir evenly, and the simple syrup is obtained;

[0010] Aristolochic acid content is removed from Aristolochic acid, Aristolochic acid is added to an appropriate amount of vinegar for frying, and after the vinegar frying, the medicinal material is added to an alkaline solution for soaking to further reduce the content of aristolochic acid, and after the treatment is completed, the medicinal material is washed with clean water to remove residual vinegar and alkaline substances, and then dried for subsequent use;

[0011] The Fritillaria cirrhosae is put into a vibration mill for crushing, so that the cell wall of the Fritillaria cirrhosae is broken, so that the effective ingredients in the cell wall are fully exposed;

[0012] Wherein in the above step 3, 60 parts of processed Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 35 parts of mulberry leaves, 50 parts of lily, and 30 parts of processed Aristolochia aucklandiae are added to an autoclave, and after stepwise stepwise cooling and sterilization, they are decocted in batches, and 10 times the amount of water is added for the first time to soak for 1 hour, the temperature is controlled at 60 degrees Celsius, and then the temperature is raised to boiling, and decocted for 2 hours, 8 times the amount of water is added for the second time, and decocted for 1.5 hours, and 5 times the amount of water is added for the third time, and decocted for 1 hour, and the decoction is combined;

[0013] In the above step 4, the combined decoction, bitter almond distillate, mint distillate and houttuynia cordata distillate are added to the filter, and after filtering impurities, 10 times the volume of anhydrous ethanol is added, and after sufficient stirring, ethanol is added to make the alcohol content reach 60%, and the mixture is allowed to stand for 4 hours for dewaxing treatment. The dewaxed liquid medicine is added with monosaccharide syrup, stirred evenly, and transported to a distillation tank and heated to above 82 degrees Celsius. The steam carries ethanol and rises to the condenser. The ethanol is vaporized and condensed and collected by distillation. After the liquid medicine recovers ethanol, it is concentrated to a clear paste with a relative density of 1.15;

[0014] In the above step 5, the auxiliary materials include polyvinyl pyrrolidone as an adhesive, sodium carboxymethyl starch as a thickener, and magnesium stearate as a lubricant. The selected auxiliary materials are pre-treated by crushing and sieving to ensure that they are evenly mixed with the clear paste. The pre-treated auxiliary materials are mixed with the clear paste in a ratio of 1:3, and the components are evenly dispersed by stirring to form a soft material with a certain viscosity. The soft material is made into uniform particles by extrusion, cutting or rolling granulator, and the adhered and broken particles are removed to obtain particles with uniform size and smooth surface;

[0015] In the above step six, the prepared particles are placed in a vacuum drying oven for low-temperature drying at 60 degrees Celsius to remove moisture and prevent mildew. The dried particles need to be naturally cooled to room temperature to maintain their stability.

[0016] Preferably, in the step 2, the mint leaves and houttuynia cordata are placed on a disc rack and put into a distiller, and 10 times the amount of distilled water is added, soaked for 3 hours, extracted by distillation for 6 hours, the steam carrying the essential oil rises to the condenser, the oil-water mixture is condensed and collected by the condenser, the oil-water mixture is transported to an oil-water separator, the oil-water separator uses the different densities of the essential oil and water to separate the oil and water, the separated distillate is transported to a filter for filtration, the aqueous solution is stored in another container, and the separated mint oil is removed of impurities by using an activated carbon layer, a silica gel layer, and a molecular sieve filled in the filter, and is stored in another container.

[0017] Preferably, in step four, the dewaxing treatment method is to filter out the wax for the first time, pump the drug solution into a condenser and freeze it for 24 hours, cool it to 20-25°C for the first time and keep it for 8 hours, cool it to -5--20°C for the second time and keep it for 16 hours, and transport the drug solution to a centrifuge to separate the wax from the solution at a centrifugal speed of 8000-10000 r / min to obtain a dewaxed drug solution.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The content of aristolochic acid is removed from the costusroot aristolochic acid, and the release speed and release amount of the effective ingredients in the medicinal materials can be improved by pretreating some medicinal materials, and the effective ingredients in the Chinese medicinal materials are fully released by decoction in batches, thereby solving the problems of low raw material utilization rate and low effective ingredient extraction efficiency; the Fritillaria cirrhosa is put into a vibration mill for crushing, so that the cell wall of the Fritillaria cirrhosa is broken, so that the effective ingredients in the cell wall are fully exposed, and the release speed and release amount of the effective ingredients are greatly improved, which is conducive to the full release of the effective ingredients in the subsequent extraction process; the effective ingredients in the Chinese medicinal materials are fully released by decoction in batches, 10 times the amount of water is added for the first time to soak for 1 hour, the temperature is controlled at 60 degrees Celsius, then the temperature is raised to boiling, and the medicinal materials are decocted for 2 hours, 8 times the amount of water is added for the second time, and the medicinal materials are decocted for 1.5 hours, and 5 times the amount of water is added for the third time to decoct for 1 hour, and the effective ingredients remaining in the medicinal residues are fully extracted by decoction in three times, thereby improving the extraction rate of the effective ingredients of the medicinal materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a flow chart of the present invention;

[0021] Figure 2 This is a flow chart of the pretreatment of mint and houttuynia cordata of the present invention;

[0022] Figure 3 This is a decoction extraction flow chart of the present invention;

[0023] Figure 4 It is a flow chart of the concentration into paste of the present invention. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-4 , an embodiment provided by the present invention:

[0026] A traditional Chinese medicine formula for clearing lungs and relieving cough, the main ingredients of which are fritillaria cirrhosa, tangerine peel, loquat leaf, platycodon grandiflorum, houttuynia cordata, mulberry leaf, mint, lily, ophiopogon japonicus, bitter almond and sucrose, wherein, by weight, the main ingredients are 40-90 parts of fritillaria cirrhosa, 20-50 parts of tangerine peel, 30-80 parts of loquat leaf, 50-70 parts of platycodon grandiflorum, 60-120 parts of houttuynia cordata, 30-60 parts of mulberry leaf, 40-80 parts of mint, 30-60 parts of lily, 20-40 parts of ophiopogon japonicus, 50-70 parts of bitter almond, 20-40 parts of aristolochia aucklandiae, and 5-20 parts of sucrose.

[0027] A method for preparing a traditional Chinese medicine formula for clearing lungs and relieving cough, comprising step one: selecting raw materials, step two: pre-treating raw materials, step three: decocting and extracting, step four: concentrating into paste, step five: granulating and forming, and step six: drying;

[0028] In the above step 1, the staff selected 60 parts of Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 70 parts of houttuynia, 35 parts of mulberry leaves, 50 parts of mint, 50 parts of lily, 30 parts of ophiopogon, 60 parts of bitter almonds, 30 parts of costus root, and 12 parts of sucrose according to weight parts;

[0029] In the above step 2, mint, houttuynia cordata, bitter almond, sucrose, Aristolochia aucklandiae and Fritillaria cirrhosae are pretreated, wherein:

[0030] The method comprises the following steps: placing mint leaves and houttuynia cordata on a disc rack and placing them in a distiller, adding 10 times the amount of distilled water, soaking for 3 hours, extracting by distillation for 6 hours, allowing steam to carry essential oils to rise to a condenser, collecting an oil-water mixture through the condenser for condensation, and transporting the oil-water mixture to an oil-water separator, wherein the oil-water separator uses the difference in density between essential oils and water to separate oil and water, transporting the separated distillate to a filter for filtration, and storing the aqueous solution in a separate container for standby use, while removing impurities from the separated mint oil using an activated carbon layer, a silica gel layer, and a molecular sieve filled in the filter, and storing the mint oil in a separate container;

[0031] Soak bitter almonds in warm water for 24 hours, heat and distill, pour the distillate into a container filled with 90% ethanol, collect the bitter almond distillate, and determine the content of amygdalin, add distilled water to dilute to 1.79g amygdalin per 100ml;

[0032] Preparation of simple syrup from sucrose: Take sucrose and distilled water in a mass ratio of 2:1, stir to dissolve, heat to 100°C to ensure that the sucrose is completely dissolved, filter the syrup to remove undissolved sucrose particles and other impurities, and after the syrup cools slightly, add an appropriate amount of distilled water to dilute it to the required volume, stir evenly, and the simple syrup is obtained;

[0033] The content of aristolochic acid is removed from Aristolochic acid in Aristolochic acid. Aristolochic acid in Aristolochic acid is added to an appropriate amount of vinegar for frying. After the vinegar frying, the medicinal material is added to an alkaline solution for soaking to further reduce the content of aristolochic acid. The vinegar frying and alkali treatment are combined to treat Aristolochic acid in Aristolochic acid, which can make full use of the advantages of the two methods to achieve a better effect of removing aristolochic acid, so as to reduce the content of aristolochic acid in Aristolochic acid and reduce potential damage to organs such as kidneys. After the treatment is completed, the medicinal material is washed with clean water to remove residual vinegar and alkaline substances, and then dried for subsequent use;

[0034] The Fritillaria cirrhosa is put into a vibration mill for crushing, so that the cell wall of the Fritillaria cirrhosa is broken, so that the effective ingredients in the cell wall are fully exposed, which is conducive to the full release of the effective ingredients in the subsequent extraction process;

[0035] In the above step 3, 60 parts of processed Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 35 parts of mulberry leaves, 50 parts of lily, and 30 parts of processed Aristolochia aurantium are added into an autoclave, and the mixed Chinese herbal medicines are matured by the autoclave, and then the temperature is gradually stepped down for maturation and sterilization, firstly the temperature is rapidly raised to 110°C within 10 minutes, then the temperature is lowered to 108°C, and the temperature is kept for 5 minutes, then the temperature is lowered to 105°C, and the temperature is kept for 3 minutes. , and finally cool to 100℃ and keep warm. The whole ripening and sterilization time is 20 minutes. The advantage of step-by-step cooling and ripening sterilization is that it can not only maintain the effective ingredients of the medicine, but also kill different bacterial cells. Then, it is decocted in several times. The first time, 10 times the amount of water is added to soak for 1 hour, the temperature is controlled at 60 degrees Celsius, and then the temperature is raised to boiling and decocted for 2 hours. The second time, 8 times the amount of water is added and decocted for 1.5 hours. The third time, 5 times the amount of water is added and decocted for 1 hour, and the decoction is combined;

[0036] In the above step 4, the combined decoction, bitter almond distillate, mint distillate and houttuynia cordata distillate are added to the filter, and after filtering out impurities, anhydrous ethanol 10 times the volume of the extract is added, and after sufficient stirring, ethanol is added to make the alcohol content reach 60%. The calculation steps are: the volume of the original medicinal solution is recorded as V 乙加 , the volume of ethanol in the original solution V 乙原 =0, target alcohol content 60%;

[0037] Assume that the total volume of the final solution is V 总 , the volume of ethanol to be added is V 乙加 , since the final alcohol content is 60%, we have:

[0038]

[0039] Since V 总 =V 原 +V 乙加 , substituting into the above formula, we get:

[0040]

[0041] Simplify the above formula by cross multiplication:

[0042] V 乙加 =0.6×(V 原 +V 乙加

[0043] Move the item to get:

[0044] 0.4V 乙加 =0.6V 原

[0045] thereby:

[0046]

[0047] According to the calculated V 乙加 , add the corresponding volume of ethanol to the original solution and stir thoroughly to mix;

[0048] The dewaxing treatment is carried out by standing for 4 hours, the wax is filtered out for the first time, the liquid medicine is pumped into the condenser for freezing for 24 hours, the liquid medicine is cooled to 20-25°C for the first time and kept for 8 hours, the liquid medicine is cooled to -5--20°C for the second time and kept for 16 hours, the liquid medicine is transported to the centrifuge, the wax is separated from the solution at a centrifugal speed of 8000-10000r / min, and the dewaxed liquid medicine is obtained. The dewaxed liquid medicine is added with monosaccharide syrup, stirred evenly, transported to the distillation tank and heated to above 82 degrees Celsius, the steam carries ethanol and rises to the condenser, the ethanol is vaporized and condensed and collected by distillation, and the liquid medicine recovers ethanol and is concentrated to a clear paste with a relative density of 1.15. During this process, continuous stirring is required to prevent burning;

[0049] In the above step 5, the auxiliary materials include polyvinyl pyrrolidone as an adhesive, sodium carboxymethyl starch as a thickener, and magnesium stearate as a lubricant. The selected auxiliary materials are pre-treated by crushing and sieving to ensure that they are evenly mixed with the clear paste. The pre-treated auxiliary materials are mixed with the clear paste in a ratio of 1:3, and the components are evenly dispersed by stirring to form a soft material with a certain viscosity. The soft material is made into uniform particles by extrusion, cutting or rolling granulator, and the adhered and broken particles are removed to obtain particles with uniform size and smooth surface;

[0050] In the above step six, the prepared particles are placed in a vacuum drying oven for low-temperature drying at 60 degrees Celsius to remove moisture and prevent mildew. The dried particles need to be naturally cooled to room temperature to maintain their stability.

[0051] In the Chinese medicine formula, Fritillaria cirrhosa moistens the lungs and relieves cough, resolves phlegm and relieves asthma; Platycodon grandiflorum, apricot kernel and loquat leaf relieve phlegm and relieve asthma, relieve cough and relieve sore throat; Ophiopogon japonicus nourishes yin and moistens dryness, nourishes the lungs and produces body fluid, nourishes lung qi, and helps relieve dry cough, sputum and other lung-related symptoms; Tangerine peel can dry dampness and resolve phlegm, and is often used to treat symptoms such as damp phlegm, cold phlegm cough and chest pain; Houttuynia cordata clears heat and detoxifies, is a natural and safe antibiotic, helps clear heat, reduce inflammation and resist viruses; Mulberry leaf clears heat and detoxifies, nourishes yin and moistens the lungs, and can relieve dry cough and dry throat and other symptoms; mint has the effects of dispersing wind-heat, clearing the head, relieving sore throat and rash, soothing the liver and promoting qi; lily has the effects of moistening the lungs and relieving cough, clearing the heart and calming the nerves, anti-cancer, improving immunity, lowering blood pressure, and treating constipation; bitter almonds contain amygdalin, which can be hydrolyzed in the body by intestinal microbial enzymes or the amygdalin contained in the bitter almonds themselves, producing trace amounts of hydrocyanic acid and benzaldehyde, which has an inhibitory effect on the respiratory center, thereby achieving an antitussive and antiasthmatic effect; together they have the effects of clearing the lungs and moistening dryness, relieving cough and reducing phlegm, and relieving sore throat.

[0052] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0053] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A Chinese medicine formula for clearing the lungs and relieving cough, Features: Its main ingredients are Fritillaria cirrhosa, tangerine peel, loquat leaf, Platycodon grandiflorum, Houttuynia cordata, mulberry leaf, mint, lily, Ophiopogon japonicus, bitter almond and sucrose. Among them, by weight, there are 40-90 parts of Fritillaria cirrhosa, 20-50 parts of tangerine peel, 30-80 parts of loquat leaf, 50-70 parts of Platycodon grandiflorum, 60-120 parts of Houttuynia cordata, 30-60 parts of mulberry leaf, 40-80 parts of mint, 30-60 parts of lily, 20-40 parts of Ophiopogon japonicus, 50-70 parts of bitter almond, 20-40 parts of Aristolochia aucklandiae, and 5-20 parts of sucrose.

2. A method for preparing a traditional Chinese medicine formula for clearing lungs and relieving cough, comprising step 1: selecting raw materials, step 2: pre-treating raw materials, step 3: decoction and extraction, step 4: concentrating into paste, step 5: granulation and molding, step 6: drying, Features: In the above step 1, the staff selected 60 parts of Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 70 parts of houttuynia, 35 parts of mulberry leaves, 50 parts of mint, 50 parts of lily, 30 parts of ophiopogon, 60 parts of bitter almonds, 30 parts of costus root, and 12 parts of sucrose according to weight parts; In the above step 2, mint, houttuynia cordata, bitter almond, sucrose, Aristolochia aucklandiae and Fritillaria cirrhosae are pretreated, wherein: Heat and distill mint and houttuynia cordata, collect the distillate, and store it in a separate container; Soak bitter almonds in warm water for 24 hours, heat and distill, pour the distillate into a container filled with 90% ethanol, collect the bitter almond distillate, and determine the content of amygdalin, add distilled water to dilute to 1.79g amygdalin per 100ml; Preparation of simple syrup from sucrose: Take sucrose and distilled water in a mass ratio of 2:1, stir to dissolve, heat to 100°C to ensure that the sucrose is completely dissolved, filter the syrup to remove undissolved sucrose particles and other impurities, and after the syrup cools slightly, add an appropriate amount of distilled water to dilute it to the required volume, stir evenly, and the simple syrup is obtained; Aristolochic acid content is removed from Aristolochic acid, Aristolochic acid is added to an appropriate amount of vinegar for frying, and after the vinegar frying, the medicinal material is added to an alkaline solution for soaking to further reduce the content of aristolochic acid, and after the treatment is completed, the medicinal material is washed with clean water to remove residual vinegar and alkaline substances, and then dried for subsequent use; The Fritillaria cirrhosae is put into a vibration mill for crushing, so that the cell wall of the Fritillaria cirrhosae is broken, so that the effective ingredients in the cell wall are fully exposed; Wherein in the above step 3, 60 parts of processed Fritillaria cirrhosa, 30 parts of dried tangerine peel, 45 parts of loquat leaves, 55 parts of platycodon, 35 parts of mulberry leaves, 50 parts of lily, and 30 parts of processed Aristolochia aucklandiae are added to an autoclave, and after stepwise stepwise cooling and sterilization, they are decocted in batches, and 10 times the amount of water is added for the first time to soak for 1 hour, the temperature is controlled at 60 degrees Celsius, and then the temperature is raised to boiling, and decocted for 2 hours, 8 times the amount of water is added for the second time, and decocted for 1.5 hours, and 5 times the amount of water is added for the third time, and decocted for 1 hour, and the decoction is combined; In the above step 4, the combined decoction, bitter almond distillate, mint distillate and houttuynia cordata distillate are added to the filter, and after filtering impurities, 10 times the volume of anhydrous ethanol is added, and after sufficient stirring, ethanol is added to make the alcohol content reach 60%, and the mixture is allowed to stand for 4 hours for dewaxing treatment. The dewaxed liquid medicine is added with monosaccharide syrup, stirred evenly, and transported to a distillation tank and heated to above 82 degrees Celsius. The steam carries ethanol and rises to the condenser. The ethanol is vaporized and condensed and collected by distillation. After the liquid medicine recovers ethanol, it is concentrated to a clear paste with a relative density of 1.15; In the above step 5, the auxiliary materials include polyvinyl pyrrolidone as an adhesive, sodium carboxymethyl starch as a thickener, and magnesium stearate as a lubricant. The selected auxiliary materials are pre-treated by crushing and sieving to ensure that they are evenly mixed with the clear paste. The pre-treated auxiliary materials are mixed with the clear paste in a ratio of 1:3, and the components are evenly dispersed by stirring to form a soft material with a certain viscosity. The soft material is made into uniform particles by extrusion, cutting or rolling granulator, and the adhered and broken particles are removed to obtain particles with uniform size and smooth surface; In the above step six, the prepared particles are placed in a vacuum drying oven for low-temperature drying at 60 degrees Celsius to remove moisture and prevent mildew. The dried particles need to be naturally cooled to room temperature to maintain their stability.

3. A method for preparing a traditional Chinese medicine prescription for clearing lungs and relieving cough according to claim 2, Features: In the step 2, mint leaves and houttuynia cordata are placed on a disc rack and put into a distiller, and 10 times the amount of distilled water is added, soaked for 3 hours, extracted by distillation for 6 hours, steam carrying essential oil rises to a condenser, condenses and collects an oil-water mixture through the condenser, and transports the oil-water mixture to an oil-water separator. The oil-water separator uses the different densities of essential oil and water to separate oil and water, and the separated distillate is transported to a filter for filtration. The aqueous solution is stored in another container, and the separated mint oil uses an activated carbon layer, a silica gel layer, and a molecular sieve filled in the filter to remove impurities and is stored in another container.

4. A method for preparing a traditional Chinese medicine prescription for clearing lungs and relieving cough according to claim 2, Features: In the step 4, the dewaxing method is to filter out the wax for the first time, pump the drug solution into a condenser and freeze it for 24 hours, cool it to 20-25°C for the first time and keep it for 8 hours, cool it to -5--20°C for the second time and keep it for 16 hours, and transport the drug solution to a centrifuge to separate the wax from the solution at a centrifugal speed of 8000-10000 r / min to obtain a dewaxed drug solution.

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