Traditional Chinese medicine composition for preventing and treating porcine reproductive and respiratory syndrome and preparation method thereof

The invention relates to the technical field of livestock disease prevention. The traditional Chinese medicine composition comprises 10% of perilla fruit, 6% of fig, 4% of bighead atractylodes rhizome, 6% of ginseng leaf, 6% of dark plum, 4% of Chinese angelica, 6% of gynostemma pentaphylla, 3% of hairyvein agrimony, 4% of dried orange peel, 4% of pinellia ternate, 7% of poria cocos, 3% of licorice, 7% of cape jasmine, 7% of Chinese herbaceous peony, 7% of radix bupleuri, 6% of folium isatidis, 5% of wrinkled gianthyssop herb and 5% of selfheal. The traditional Chinese medicine composition for preventing and treating the porcine reproductive and respiratory syndrome has the beneficial effects that each gram of the extract prepared from the traditional Chinese medicine composition for preventing and treating the porcine reproductive and respiratory syndrome is equivalent to 4.8 grams of raw medicinal materials, 2, the total flavone of the extract is greater than or equal to 6.7 percent, and the total polysacch