The invention relates to a traditional Chinese medicinal composition for treating pulmonary abscess. The traditional Chinese medicinal composition consists of the following traditional Chinese medicine raw materials in parts by weight: 5-25 parts of platycodon grandiflorum, 10-40 parts of coix seeds, 5-20 parts of thunberg fritillary bulb, 5-25 parts of dried orange peel, 10-40 parts of honeysuckle, 5-15 parts of semen lepidii, 5-25 parts of bletilla striata, 5-20 parts of scutellaria baicalensis, 5-25 parts of cordate houttuynia, 5-20 parts of patrinia herb, 5-25 parts of dandelion, 5-20 parts of root of common peony, 5-25 parts of moutan bark, 5-20 parts of cape jasmine fruits, 10-30 parts of astragalus membranaceus, 5-20 parts of radix ophiopogonis, 5-20 parts of spina gleditsiae, 5-20 parts of root of straight ladybell, 10-30 parts of radix pseudostellariae, 5-25 parts of salvia miltiorrhiza, 10-30 parts of gypsum, 5-25 parts of melon kernels, 5-20 parts of pinellia ternate, 5-25 parts of cortex albiziae, 5-20 parts of cortex lycii radicis, 5-20 parts of poria cocos, 5-20 parts of white atractylodes rhizome, 5-20 parts of cynanchum glaucescens and 5-15 parts of liquorice root. The traditional Chinese medicinal composition disclosed by the invention has functions of moistening lung and removing stasis, eliminating carbuncle and expelling pus, clearing away heat and toxic materials, promoting blood circulation and removing stasis, dispelling wind and removing phlegm, removing swelling and promoting granulation; and the traditional Chinese medicinal composition is significant in effect on treating pulmonary abscess and is reliable in action.