94 results about "Isatis indigotica" patented technology

The invention discloses a composition containing a honeysuckle extract, a tablet and a production method thereof, and belongs to the technical field of medicines.The preparation method comprises the steps that pseudo-ginseng, honeysuckle and radix isatidis are dried and ground into powder, a hydrogel film coating with an environmental response function is prepared, and the hydrogel film coating has porosity and environmental tolerance, can improve the slow release performance of a medicine, and has a good application prospect. The active ingredient preservation time of the medicine is protected, and the medicine effect is prolonged; according to the hydrogel film coating, natural plant-derived polysaccharide and microcrystalline cellulose with excellent biocompatibility are used as raw materials, the raw materials are subjected to swelling treatment and then grafted with a polyethylene glycol-maleic anhydride copolymer, then an iron metal framework sensitive to the pH value is subjected to hydrothermal synthesis on the surface, the iron metal framework serves as a crosslinking center, a hydrogel film structure is generated through crosslinking to serve as the coating, and the hydrogel film coating is prepared. Therefore, the permeation resistance and mechanical strength of the coating are balanced, the swelling rate difference is avoided, the structural stability of the coating is guaranteed, and the tablet prepared from the coating can be used for treating cold and has a good drug effect.

The invention relates to a cultivation method of an overexpressed EVM0003075 gene isatis tinctoria plant, and belongs to the technical field of plant cultivation. The method comprises the following steps: firstly, transforming an agrobacterium strain through a constructed agrobacterium transformation vector for expressing the isatis tinctoria EVM0003075 gene, then transforming an explant of the isatis tinctoria by using a screened recombinant agrobacterium strain, regenerating a seedling of the isatis tinctoria, and screening and culturing the seedling of the isatis tinctoria with stable overexpression of the EVM0003075 gene, so as to obtain an isatis tinctoria plant with increased isatin content in the isatis tinctoria. The expression level of the EVM0003075 gene of the transgenic isatis tinctoria is improved to 5-9 times, the content of the isatis tinctoria is remarkably improved, and the character that the accumulation period of the isatis tinctoria is short is shown. By adopting the method disclosed by the invention, the content of the isatin in the isatis tinctoria can be increased to 10-66 times. The specific information content of the patent of the method for improving the content of the isatin in the isatis tinctoria through overexpression of the EVM0003075 gene is shown in the specification.

The invention discloses an extraction process for optimizing general flavone of strobilanthes cusia through a response surface method. An ultrasonic extraction method is adopted to extract total flavonoids in strobilanthes cusia, on the basis of a single factor experiment, an extraction process of the strobilanthes cusia total flavonoids is optimized through a response surface method, and comprehensive experiment conditions, operability and rationality are considered, so that the optimal extraction process is obtained as follows: the material-liquid ratio is 1: 27, the ethanol concentration is 72%, the ultrasonic extraction time is 39 min, and the extraction time is 30 min; under the condition, the total flavone extraction rate reaches 0.736 + / -0.015% and is basically consistent with a response predicted value. The extraction process is simple and stable in operation and high in extraction rate. In-vitro anti-oxidation experiments show that the strobilanthes cusia total flavonoids have certain DPPH free radical and ABTS free radical scavenging capacity, and a reference basis is provided for more fully and reasonably utilizing strobilanthes cusia resources.

This invention provides an application and method for using *Gastrodia galactosum* NBG001 to promote the germination of *Isatis indigotica* seeds or the growth of seedlings, belonging to the field of plant growth promotion technology. The *Gastrodia galactosum* NBG001 was deposited at the China Center for Type Culture Collection on July 7, 2025, with accession number CCTCC NO: M 20251547. After treating *Isatis indigotica* seeds with *Gastrodia galactosum* NBG001, the germination rate of *Isatis indigotica* increased to 40.6%, which is 1.6 times that of the control group. After transplanting, the fresh weight, number of leaves, and number of roots of *Isatis indigotica* seedlings treated with *Gastrodia galactosum* NBG001 were significantly higher than those of the control group, increasing by 1.6, 1.5, and 1.2 times, respectively.

The present invention provides a high-protein bio-fermented aquatic feed and a preparation method thereof. The aquatic feed comprises the following raw materials in parts by weight: 20-30 parts of imported fish meal, 10-15 parts of compound minerals, 5-10 parts of bioactive peptides, 5-10 parts of lysine, 5-10 parts of compound trace elements, 3-8 parts of compound vitamins, 3-6 parts of herbal extracts, 2-5 parts of compound probiotics, 2-4 parts of immune polysaccharides, and 1-3 parts of compound enzymes; the herbal extracts are prepared by fermenting astragalus membranaceus, isatis root, liquorice root, calotropis gigantea, ventilago leiocarpa benth, clove, rhizoma chuanxiong, and galangal officinale. By organically integrating imported fish meal, astaxanthin-peptide chelate, herbal extracts, compound immune polysaccharides, compound probiotics and various nutrients, the present invention realizes the synergistic effect of "promoting feeding - enhancing digestion - strengthening liver and gall - enhancing immunity - resisting stress - inhibiting bacteria - stabilizing water quality", significantly improves the growth rate, survival rate and comprehensive breeding benefit of crustacean aquatic animals, and has good economic value and application prospect.

This invention discloses a method for preparing a heat-clearing and detoxifying oral liquid. Honeysuckle and Scutellaria baicalensis are pulverized and sieved, then enzymatically hydrolyzed with water, ultrasonically extracted, and filtered to obtain extract A. Scrophularia ningpoensis, Rehmannia glutinosa, Forsythia suspensa, Gardenia jasminoides, Viola yedoensis, Gentiana scabra, Isatis indigotica, Anemarrhena asphodeloides, and Ophiopogon japonicus are warm-soaked in water and flash-extracted, then filtered to obtain extract B. Gypsum is crushed, decocted with water, and filtered to obtain extract C. The extracts are combined, concentrated, and sequentially clarified using a flocculant, followed by inorganic ceramic membrane microfiltration and organic ultrafiltration. The clarified liquid is then concentrated, flavoring agents and preservatives are added, the pH is adjusted, the volume is adjusted, filtered, filled, and sterilized to obtain the finished product. This invention utilizes a composite clarification process—low-temperature ultrasonic-enzymatic extraction of honeysuckle and Scutellaria baicalensis, clarification using a flocculant, inorganic ceramic membrane microfiltration, and organic ultrafiltration—to improve the extraction rate of effective components, effectively remove large molecular impurities such as tannins, proteins, and pectin, and significantly improve the clarity and stability of the product.

The invention relates to the field of traditional Chinese medicines, in particular to a preparation method of an Anqi flat-pressing capsule which comprises the following components in parts by weight: 6-7 parts of astragalus membranaceus, 6-7 parts of codonopsis pilosula, 4g of salvia miltiorrhiza, 5-6 parts of cortex moutan, 5-6 parts of malt, 5-6 parts of hawthorn, 3-4 parts of scutellaria baicalensis, 3-4 parts of radix bupleuri, 2.5 g of diazepam, 1-2 parts of nimodipine and 2-3 parts of radix isatidis. The capsule has the effects of nourishing heart, stabilizing mind, promoting blood circulation to remove blood stasis, soothing liver-qi stagnation, dredging and regulating internal organs, regulating qi activity, reducing heart pressure, maintaining normal functions of the heart, enabling qi and blood to be smooth and smooth, coordinating functions of the internal organs, reducing resistance and reducing blood pressure, so that the heart is protected against mind, and the main mind is relieved if the main mind is relieved. The capsule has the advantages of normal heart function, reduced pressure, relatively stable blood pressure, smooth qi and blood, healthy body and no occurrence of diseases, can be used for treating various hypertension and intractable hypertension diseases, and has no side effect.

This invention provides a drug for antagonizing bacterial endotoxins, its preparation method, and its application, belonging to the biomedical field. The composition consists of 25-55 parts of dried powdered traditional Chinese medicine extract, 25-70 parts of mixed essential oil powder, and 40-90 parts of lentinan powder. The traditional Chinese medicine extract is prepared by decoction of Scutellaria baicalensis, Lonicera japonica, Forsythia suspensa, and Isatis indigotica under reduced pressure at low temperature and spray drying. The mixed essential oil powder is prepared by encapsulating peppermint oil and eucalyptus oil with gelatin and hydroxypropyl cellulose and then spray drying under high pressure. This invention, through specific formulation and processing, significantly enhances the synergistic antagonistic effect of each component against endotoxins. Experiments show that this composition exhibits antagonistic activity far superior to ibuprofen in vitro; in vivo, it significantly reduces the endotoxin content in the plasma of 817 broiler chickens, rapidly alleviates LPS-induced fever and diarrhea, and improves decreased growth performance. Therefore, this invention is of great significance for reducing antibiotic dependence and improving the efficiency of livestock and poultry farming.

The invention discloses a composition containing an astragalus extract as well as a preparation method and application of the composition. The composition comprises a carrier layer, a core functional layer, an assistant functional layer, a functional powder layer and a probiotic layer from inside to outside. According to the invention, monarch and ministerial drugs (astragalus membranaceus, codonopsis pilosula, bighead atractylodes rhizome and poria cocos) are taken as a core layer through a fluidized bed, adjuvant and conductant drugs (isatis root, dandelion and platycodon grandiflorum) are taken as a secondary layer, sequence batch layering is realized, and directional release can be realized.

This invention relates to a traditional Chinese medicine preparation for treating infectious bursal disease (IBD), its preparation method, and its application. The preparation comprises the following components: Astragalus membranaceus 45-50 parts, Rehmannia glutinosa 30-45 parts, Isatis indigotica 25-30 parts, Isatis tinctoria 25-30 parts, Gypsum fibrosum 10-45 parts, Lonicera japonica 10-20 parts, Forsythia suspensa 10-30 parts, Taraxacum mongolicum 10-20 parts, Atractylodes macrocephala 15-20 parts, Paeonia lactiflora 15-30 parts, Lilium brownii 15 parts, Anemarrhena asphodeloides 15 parts, and Glycyrrhiza uralensis 10-30 parts. The preparation is achieved through extraction and concentration processes and is effective in treating IBD in chickens caused by both traditional infectious bursal disease virus (IBDV) and novel variant infectious bursal disease virus (nvvIBDV). This medicine significantly improves the cure rate against both traditional and variant strains, showing a particularly significant advantage in treating variant strains.

1. Name of the product in this design: Packaging Box (Isatis Root Tea). 2. Purpose of this design: For packaging pharmaceuticals. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Plush Toy (Longjiuwei's Isatis Root). 2. Purpose of this design: plush toy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a rapid propagation method for strobilanthes cusia. The propagation method comprises the following specific steps: picking a terminal bud of a strobilanthes cusia plant, disinfecting the terminal bud, transplanting and carrying out illumination pre-culture, multiplication culture, rooting culture, strong seedling culture and acclimatization culture to obtain the strobilanthes cusia plant. According to the method, the terminal buds of the strobilanthes cusia are picked as the explants, the rapid propagation system is established, and the culture medium and the culture process are optimized and improved, so that multiple healthy strobilanthes cusia plants can be cultured in a short period, and the technical purpose of rapid propagation is achieved.

This utility model provides an integrated water and fertilizer irrigation device for Isatis indigotica. The device includes: a base plate; a water and fertilizer mixing tank and a water storage tank, both fixedly mounted on the base plate; a fertilizer storage tank, fixedly mounted on the water and fertilizer mixing tank, with its bottom connected to the mixing tank, and an installation box on the storage tank containing a drying plate; magnetic sheets on the inner wall of the installation box and the drying plate; a water supply mechanism located on the mixing tank for providing water for the water and fertilizer mixture; and an irrigation mechanism located on the mixing tank for irrigating the Isatis indigotica with water and fertilizer. This integrated water and fertilizer irrigation device for Isatis indigotica allows for better application of water and fertilizer to the plant, improving water and fertilizer utilization.

A method and composition to extract of several processed herbal medicinal plants and an herbal tea composition for ingestion which contains the extract. The functional herbal extraction method and composition is used to relieve the symptoms of cough and throat discomfort. This composition creates a synergy between different ingredients that works to suppress cough, white phlegm, and sore throat. The composition comprises of Cassia bark tree twig, Coltsfoot flower, Tetarian aster, Catepillar fungus, Dried mandarin peel, Fritilaria cirrhosa, Muskroot, Pumex preparata, Isatis root, Dandelion, Puffball, Almonds, Pinellia ternata, Gypsum, and Astragalus. The effectiveness of the herbal tea is at least partially dependent on the desired means of preparation and administering the composition.

The invention provides Qingkailing dropping pills and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine extraction and preparations, the Qingkailing dropping pills comprise the following raw materials: cholic acid, nacre mother of pearl, hyodeoxycholic acid, cape jasmine, cornu bubali, isatis root, baicalin and honeysuckle; the preparation method comprises the following steps: providing pill paste powder, wherein the pill paste powder is prepared by sequentially drying mixed thick paste under reduced pressure and crushing; the mixed thick paste comprises the following raw materials: a honeysuckle extract, an isatis root-cape jasmine extract, a buffalo horn-nacre mother-of-pearl extract and a cholic acid-baicalin concentrated solution; providing a matrix, and melting and mixing the matrix with the pill paste powder to prepare a molten liquid; and providing a condensing agent, dropwise adding the molten liquid into the condensing agent, and carrying out shrinkage molding, so as to obtain the finished product dropping pill, namely the Qingkailing dropping pill. According to the preparation method, the melting and mixing efficiency and effect of the pill paste powder and the matrix are improved, the texture of molten liquid is more uniform, the content distribution of all effective components is more uniform, the medicine content uniformity in the finished dropping pill is improved, and the obtained finished dropping pill is high in stability, round in appearance and good in uniformity.

The invention discloses a crocodile functional compound feed and a preparation method thereof, and the crocodile functional compound feed comprises the following raw materials: a compound animal protein source, a compound vegetable protein and energy source, a core functional additive, a compound grease source, a compound premix and a phosphorus calcium source, the functional additive comprises astragalus membranaceus, isatis root, radix bupleuri, liquorice, oriental wormwood, cowherb seed, astaxanthin, nano-selenium and zinc methionine, the compound premix comprises vitamin and mineral components, and the bait coefficient of the compound feed is lower than 1.5. According to the feed, chilled fresh fish can be replaced with the efficient replacement ratio of 1: 5, the breakthrough breeding effects that the survival rate of crocodiles is increased by 30%, the growth rate is increased by 20%, the laying rate is increased by 40%, and the bait coefficient is reduced to 1.3 or below are achieved, and the economic benefits are extremely remarkable.

This application belongs to the field of seed detection and analysis technology, specifically relating to a method for constructing a characteristic chromatogram of Isatis indigotica seeds and a method for detecting Isatis indigotica seeds. The construction method includes the following steps: providing a reference solution; preparing a test solution using Isatis indigotica seeds; detecting the reference solution and the test solution using ultra-high performance liquid chromatography (UHPLC); importing the chromatograms obtained from detecting the reference solution and the test solution into a traditional Chinese medicine chromatographic fingerprint similarity evaluation system to establish a characteristic chromatogram of Isatis indigotica seeds; the reference solution contains alkaloids as a reference standard; the UHPLC method meets the following conditions: the stationary phase includes a C18 column; the mobile phase includes mobile phase A and mobile phase B, mobile phase A including methanol and / or mobile phase B including water; and a gradient elution program is used. This application uses UHPLC to construct a characteristic chromatogram reflecting the secondary metabolites of Isatis indigotica seeds, providing a novel reference for evaluating the quality of Isatis indigotica seeds.

The invention discloses indigowoad root derived carbon dots as well as a preparation method and application thereof, and belongs to the technical field of novel biomedical materials. The method comprises the following steps: generating a carbonized product by a one-step hydrothermal method, and separating and purifying to obtain the indigowoad root-derived carbon dots. The carbon dots do not contain metal elements, are non-toxic and high in biological safety, and show good free radical scavenging activity, certain superoxide dismutase-like activity and good biocompatibility no matter in vitro or in vivo. On the basis, the indigowoad root-derived carbon dots also show excellent anti-inflammatory activity, can down-regulate the inflammatory level of cells, relieve the paralysis symptom of AD nematode, relieve LPS-induced memory deterioration of mice and treat LPS-induced mouse Alzheimer's disease, and can be further applied to preparation of drugs for treating neurodegenerative diseases.

The application belongs to the technical field of interplanting mode on root morphological characteristics and yield analysis, in particular to an efficient irrigation planting method for isatis indigotica and soybean interplanting, which comprises the following steps: step one, selecting test field: field test is carried out in May-October, 2023 in Hongshuihe Management Office Yimin Irrigation Test Station in Minle County, Zhangye City, Gansu Province, which is a representative basic irrigation test center in the northwest cold and arid region; step two, test design: the test is a double-factor test, a total of 8 treatments, soil moisture is set in two gradients, W1 and W2, W1 is soil moisture content of 55%-65% of field capacity, W2 is soil moisture content of 70%-80% of field capacity; interplanting modes are single isatis indigotica, single soybean, isatis indigotica 6 rows and soybean 6 rows, isatis indigotica 12 rows and soybean 6 rows, respectively marked as M1, M2, M3 and M4; the test has a total of 8 treatments, 3 groups of repetitions, a total of 24 plots; the soil moisture control depth of film mulching drip irrigation is 60cm; step three, determination index and analysis.

The application discloses a traditional Chinese medicine exosome compound with anti-HPV and application thereof, and relates to the technical field of biotechnology.The compound comprises functional components secreted by a human cell co-culture system and a traditional Chinese medicine source extract, and the traditional Chinese medicine source extract is derived from a combined traditional Chinese medicine extract of Astragalus membranaceus, Isatis indigotica Fort., Honeysuckle and Sophora flavescens Ait., and relates to the technical field of biotechnology.The traditional Chinese medicine exosome carries natural active ingredients, and a multi-target anti-virus network is formed by beta-defensin-2 and interferon-gamma generated by co-culture with human cells.Compared with single traditional Chinese medicine extract or chemically synthesized nanoparticles, the HPV inhibition rate is increased by more than 170%, and the direct cytotoxicity of traditional Chinese medicine is reduced through an exosome delivery system, and the IC 50 >200ug / mL, which is significantly lower than that of a water decoction, and mucous membrane irritation experiments show no damage.

This invention discloses the application of Isatis root polysaccharide in improving egg quality or gut health in poultry, belonging to the field of poultry farming technology. This invention provides the application of Isatis root polysaccharide in improving egg quality or gut health in poultry. Applying Isatis root polysaccharide to poultry farming can effectively improve egg quality and gut health. Furthermore, the preparation process of the Isatis root polysaccharide of this invention is simple, as it can be directly obtained from the pharmaceutical process of Isatis root granules, resulting in low cost. A small amount of the polysaccharide can achieve good results. The Isatis root polysaccharide of this invention can reduce poultry farming costs, alleviate the economic burden on farmers, and is suitable for widespread promotion.

The present invention discloses a saline-alkali grassland management method based on ecological rotation and land sharing. The target plot is first divided into multiple grid areas. Soil samples are collected from different grid areas to determine the soil pH and total nitrogen content. Then, based on the measured soil pH and total nitrogen content, the area is divided into an ecological restoration area, a forage production area, and an economic plant area. Salicornia and Sesbania are planted in the ecological restoration area, alfalfa and Leymus chinensis are planted in the forage production area, and Isatis indigotica and Perilla are planted in the economic plant area. Crops are rotated in the three areas on a two-year cycle. The above design can reduce fertilization requirements and increase soil remediation speed through the complementarity of plant communities. It can achieve multi-subject land sharing grassland rotation management through the complementarity of ecological functions, effectively improve land use efficiency, take into account the "three lives" of grassland production, ecology, and life, and promote the sustainable development of saline-alkali grassland.

This invention relates to the field of feed additive technology, specifically to a compound plant-seaweed feed additive for reducing methane emissions in ruminants and its preparation method. It comprises the following raw materials in parts by weight: 40-60 parts sorghum husk powder, 30-50 parts purple sweet potato powder, 0.5-5 parts functional additives, 5-10 parts red algae, 5-10 parts brown algae, 5-12 parts *Lactobacillus plantarum*, 3-8 parts chitosan, 2-6 parts essential oil, 2-5 parts 3-nitrooxypropanol, 10-15 parts *Scutellaria baicalensis*, 8-12 parts *Codonopsis pilosula*, 3-8 parts *Isatis indigotica*, and 5-18 parts modified zeolite. Through the regulation of *Lactobacillus plantarum* and chitosan, the energy originally used to generate methane is converted into propionic acid. Propionic acid is a major gluconeogenic precursor in ruminants, which is directly converted into glucose for milk production or muscle growth.

This invention discloses a precision seeding device based on granulated Isatis indigotica seeds, comprising a base, a support frame fixedly connected to the base, a storage trough fixedly connected to the support frame, a feeding pipe at the bottom of the storage trough, the feeding pipe being fixedly connected to a fixed box, a second motor on the side of the fixed box, the output end of the second motor being fixedly connected to a round block, and the round block being rotatably connected to the fixed box. In this invention, the device integrates precision seeding, grooving, and soil covering into a single operation, eliminating the need for manual completion of seeding and soil covering processes, significantly reducing labor intensity. Simultaneously, precision control is achieved by adjusting the grooving and seed storage space using sliding blocks, reducing seed waste and avoiding the inaccurate seed quantity in traditional hill-planting techniques, thus ensuring fewer thinning steps. Furthermore, the integrated operation mode avoids the inefficiency of scattered manual operations, ensuring seeding progress and quality, and effectively alleviating planting cost pressures.

The present application relates to the technical field of drug efficacy detection, and particularly relates to a test method of Suguanning capsules. The present application adds the detection standards of Isatis indigotica Fort, Siphonostegia chinensis Maxim, Lonicera japonica and paracetamol and Bupleurum chinense to the original standard of Suguanning capsules, carries out thin layer chromatography on Isatis indigotica Fort, Siphonostegia chinensis Maxim and Lonicera japonica, and carries out the detection of specificity, linear relationship, precision, stability, reproducibility and sample recovery rate on paracetamol and Bupleurum chinense. The thin layer chromatography reproducibility and specificity of Bupleurum chinense and Lonicera japonica are good, and the negative has no interference, so the quality standard text is included. The thin layer chromatography specificity of Siphonostegia chinensis Maxim and Isatis indigotica Fort is poor, so the quality standard text is not included, and the detection standard of Suguanning capsules is improved.

The utility model discloses an isatis root seed huller which comprises a bottom frame, a hulling mechanism is arranged on the bottom frame, the hulling mechanism comprises a shell, a rotating rod, a leak hole cover, a mounting sleeve, a hulling rod, a hulling cover and a transmission mechanism, and a screening mechanism is arranged on the bottom frame. The screening mechanism comprises a supporting rod, a supporting plate, two sets of connecting rods, sliding rods, sliding sleeves, tension springs, a screening plate, a seed leaking hopper and a shell leaking hopper, the supporting rod is installed on the bottom frame, the supporting plate is arranged in the bottom frame, the two sets of connecting rods are rotationally connected with the supporting rod and the supporting plate respectively, and the sliding rods are rotationally installed on the two sides of the supporting rod; the sliding sleeves are rotatably installed on the two sides of the supporting plate, and the two ends of the tension spring are connected with the sliding rod and the sliding sleeves correspondingly, so that the technical problems that in the background technology, efficient separation equipment is lacked, shells of seeds are difficult to thoroughly remove in the machining process, and meanwhile follow-up screening and using links are complicated due to the fact that impurities are mixed with the seeds are solved.

The invention discloses probiotics, a preparation method of lactic acid bacteria, a preparation method of saccharomycetes and a bee feed. The probiotics are prepared from the following components in parts by mass: 10-15 parts of lactic acid bacteria, 6-8 parts of saccharomycetes, 25-35 parts of pollen, 28-35 parts of cane sugar, 0.5-1.5 parts of vitamins, 1-5 parts of fructus forsythiae, 1-5 parts of radix isatidis, 1-5 parts of pericarpium citri reticulatae, 1-5 parts of rhizoma atractylodis macrocephalae and 1-5 parts of hawthorn fruit powder. The probiotics can decompose oligosaccharides in the camellia oleifera nectar, so that the digestion burden of camellia oleifera bees can be obviously relieved, the growth of the group potential of the bees is promoted, and the rotten seed rate is reduced. The probiotics and the bee feed can improve the collection enthusiasm of bees to the camellia oleifera nectar and enhance the pollination efficiency, so that the camellia oleifera yield is increased.

The invention discloses a traditional Chinese medicine active extract for preventing and treating asparagus stem blight and a preparation method thereof, and belongs to the technical field of crop planting, the traditional Chinese medicine active extract is prepared from the following raw materials in parts by weight: 20-30 parts of sweet wormwood, 15-20 parts of radix scutellariae, 15-25 parts of rhizoma smilacis glabrae, 8-12 parts of radix sophorae flavescentis, 9-17 parts of radix stephaniae tetrandrae, 2-5 parts of perilla frutescens, 10-15 parts of folium isatidis, 8-10 parts of cyrtomium fortunei and 3-5 parts of indigo naturalis. The preparation method comprises the following steps: crushing the raw materials, uniformly mixing, adding an ethanol solution, carrying out ultrasonic extraction, carrying out aerobic fermentation on the obtained extracting solution, finally carrying out evaporation concentration on the obtained fermentation solution, and carrying out spray drying to obtain the traditional Chinese medicine active extract. According to the invention, various Chinese herbal medicine raw materials are carefully selected, the ratio is optimized, and the processes of crushing, mixing, ethanol ultrasonic extraction, aerobic fermentation, spray drying and the like are combined, so that active components are effectively extracted. An efficient and natural solution is provided for preventing and treating the asparagus stem blight.