The invention relates to a Chinese medicament for treating hand-foot-and-mouth diseases, and belongs to the technical field of medicaments. The Chinese medicament is prepared into a decoction from the following raw materials: 3 to 10 g of licorice, 3 to 10 g of folium isatidis, 5 to 15 g of isatis root, 1 g of coptis, 3 to 10 g of tee tree root, 3 to 10 g of bupleurum, 3 to 10 g of dandelion, 3 to 10 g of mint, 3 to 10 g of Chinese violet, 5 to 10 g of dried rehmannia root, 5 to 10 g of honeysuckle, 5 to 10 g of weeping forsythia, 5 to 10 g of pseudostellaria heterophylla, 5 to 10 g of root of red-rooted salvia, 5 to 10 g of honeysuckle stem, 3 to 5 g of phellodendron, 3 to 6 g of gardenia, 3 to 10 g of figwort root, and 3 to 5 g of big fritillaria. Based on the cognition and the treatment principle of the pathogenesis of the hand-foot-and-mouth diseases, the Chinese medicament is prepared by using the traditional Chinese medicinal materials as raw materials through clinical test and repeated verification; and the Chinese medicament emphasizes heat clearing, detoxification and dehumidification, simultaneously proposes tonification and purgation in combination, qi tonification, yin nourishment, heat clearing and collateral dredging, accords with the theory of the traditional Chinese medicine, avoids the side response of unidirectional action of the western medical therapy and does not have toxic or side effect, the effective rate is 98 percent, and the cure rate is over 95 percent.