The invention belongs to the technical field of traditional Chinese medicines. The invention aims at providing a traditional Chinese medicine composition for treating purpura according to the cognition mechanism of purpura in traditional Chinese medicines. The traditional Chinese medicine composition is prepared by combining the following active pharmaceutical ingredients in parts by weight: 5-15 parts of largehead atractylodes rhizome, 10-20 parts of red paeony root, 3-9 parts of liquorice root, 5-15 parts of Chinese rhubarb, 10-20 parts of rehmannia root, 10-20 parts of fritillaria, 15-25 parts of radix salviae miltiorrhizae, 10-20 parts of turmeric root-tuber, 5-15 parts of combined spicebush root, 10-20 parts of glossy privet fruits, 9-15 parts of peach seeds, 5-15 parts of bitter orange, 15-25 parts of motherwort herb, 10-20 parts of safflower, 10-20 parts of sargentgloryvine stem, 9-15 parts of cassia twigs, 5-15 parts of tree peony bark, 10-20 parts of silktree albizzia bark, 15-25 parts of amur corktree bark, 20-30 parts of ephedra herb and 25-35 parts of gypsum. Although the traditional Chinese medicine composition selects common medicines, by accurate dialectical analysis of the disease, the conventional medicines realize reasonable compatibility, and the traditional Chinese medicine composition can obtain a satisfactory treatment effect in rational dosage.