The invention belongs to the field of traditional Chinese medicine and discloses a traditional Chinese medicine composition for treating abdominal incision induration after a cesarean delivery operation and a preparation method thereof. The traditional Chinese medicine composition is prepared from 20-40 parts of harba lycopi, 15-30 parts of dandelion, 10-15 parts of faber galeola roots, 10-20 parts of caulis spatholobi, 1-10 parts of spina gleditsiae, 20-40 parts of grapevine roots, 20-40 parts of portulaca oleracea and 5-15 parts of bletilla striata. All medicinal raw materials are compatible and interact with one another, the effects of promoting blood circulation to remove blood stasis, clearing away heat and toxic materials, cooling the blood, relieving swelling, removing stasis and promoting tissue regeneration are achieved, the raw materials are prepared into external-use dosage forms against the etiology and pathogenesis of the abdominal incision induration after the cesarean delivery operation, and the composition is applied to exterior but the efficacy reaches the interior, so that qi and blood are regulated, qi circulation is promoted, stasis is removed, toxin is carried away and discharged outward, blood stasis is dispersed, tissue regeneration is promoted, and the induration can be alleviated; the wound surface grows vigorously.