The invention discloses a Chinese medicinal composition for treating pulmonary abscess, which consists of the following pharmacodynamic raw materials in weight ratio: 10 to 20g of dry reed rhizome, 10to 20g of coix seed, 25 to 40g of Chinese waxgourd semen, 20 to 40g of heartleaf houttuynia herb, 20 to 40g of humifuse euphorbia herb, 5 to 12g of peach seed, 5 to 15g of all melon wilt, 8 to 14g ofbaical skullcap root, and 5 to 15 percent of platycodon root. The Chinese medicinal composition comprehensively analyzes the medicinal properties of the medicinal materials, combines the medicinal materials for supplementing each other, relieves swelling and stops pain, and has remarkable effect of relieving the symptoms of the pulmonary abscess.