NOVELTY - Traditional Chinese medicinal granule comprises traditional Chinese medicinal extract and auxiliary materials. The traditional Chinese medicinal extract comprises raw materials comprising 30-45 pts. wt. Echinacea purpurea extract, 30-45 pts. wt. honeysuckle leaf extract, and 20-40 pts. wt. radix astragali extract.    USE - The traditional Chinese medicinal granule is useful for treating bird flu and improving immunity of chickens (claimed).    ADVANTAGE - The traditional Chinese medicinal granule improves immunological conditions of chickens, and enhances antiviral ability of the chickens, and causes fewer side effects, and is cost-effective and prepared by simple method, and has excellent stability. The method is simple and easy to perform.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for preparing the above-mentioned traditional Chinese medicinal granule, which involves mixing the above-mentioned raw materials with auxiliary materials, granulating the mixture, and drying the granules, where the above-mentioned E.purpurea extract is obtained by extracting E.purpurea 2-4 times using 8-14 times, 40-80% ethanol for 0.5-2 hours (each time), decompressing the extract and recycling the ethanol, concentrating the extract at 60 degrees C till a relative density of 1.03-1.20, loading the concentrate in polyamide column chromatography, eluting the column using 40-80% ethanol, collecting the eluent, decompression the eluent, recycling the ethanol, concentrating the obtained product to thick paste, and drying the product, and crushing the dried product, the above-mentioned honeysuckle leaf extract is obtained by extracting the honeysuckle leaf 2-4 times using 8-14 times, 50-90% ethanol for 1-3 hours (each time), filtering the extract, combining the filtrate, decompressing the filtrate, recycling the ethanol, concentrating the obtained product to thick paste, and drying the product, and crushing the dried product, and above-mentioned radix astragali extract is obtained by extracting the radix astragali 2-4 times using 6-12 times water for 1-3 hours (each time), concentrating the extract at 60 degrees C till a relative density of 1.03-1.20, adding 95% ethanol to the concentrate (till ethanol content reaches 40-90%), centrifuging the obtained product, and drying the product, and crushing the dried product.