The invention relates to a Chinese medicament for treating urinary tract infection, which is prepared from the following raw material medicaments by a conventional method: 25 to 35g of pyrrosiaLeaf, 30 to 34g of spreading hedyotis herb, 6 to 10g of puff-ball, 6 to 8g of scorpion, 10 to 16g of rhizoma bolbostemmae, 20 to 30g of plantain seed, 10 to 16g of radix achyranthis bidentatae, 15 to 25g ofrhizoma dioscoreae septemlobae, 15 to 25g of grassleaf sweelflag rhizome, 15 to 25g of Sichuan amur corktree bark, 18 to 26g of motherwort herb, 25 to 35g of campanumaea pilosula and 15 to 25g of astragalus. The Chinese medicament has the characteristics of simple preparation, low cost, wide medicinal sources, convenient use, capability of inactivating viruses, clearing heat and detoxicating, strengthening body resistance and eliminating evil, and treating both symptoms and root causes, no toxic or side effect, good curative effect, quick response, and 93.55 percent of clinical effective rate.