The invention provides a traditional Chinese medicine composition for preventing and treating the porcine reproductive and respiratory syndrome. The composition is prepared from, by weight, 15-35 parts of coptis chinensis, 5-20 parts of a dried immature fruit of a citron or a trifoliate orange, 15-30 parts of poria cocos, 5-15 parts of semen coicis, 25-40 parts of semen ziziphi spinosae, 25-40 parts of scorch-fried three immortals, 15-25 parts of phellodendron, 5-25 parts of magnolia, 35-50 parts of cape jasmine, 20-40 parts ofradix gentianae, 15-35 parts of radix isatidis, 5-20 parts of rheumofficinale, 25-40 parts of citron, 35-50 parts of pinellia, 25-40 parts of concha haliotidis, 25-40 parts of chrysanthemum, 15-35 parts of umbellate pore fungus, 10-30 parts of polygonaceae, 10-30 parts of Scutellaria baicalensis, 20-40 parts of capillary artemisia, 15-35 parts of codonopsis, 35-50 parts of dried rhizome of rehmannia, 30-50 parts of scrophulariaceae, 5-20 parts of atractylodes, 25-40 parts of angelica, 5-25 parts of licorice, 15-35 parts of gypsum, 15-35 parts of rhizoma anemarrhenae, 10-30 parts of a root of red-rooted salvia, 15-30 parts of a dried tangerine peel and 5-25 parts of ophiopogon japonicus. The composition has an excellent therapeutic effect on porcine reproductive and respiratory syndrome cold poisoning lung closing and kidney yang deficiency type, is purely natural, has no antibiotic residue risk, achieves symptomatic treatment, has a simple preparation method, and is suitable for large-scale promotion and application.