The invention discloses a traditional Chinese medicine composition for treating postpartum lochiorrhea. The composition is composed of the following raw materials in parts by weight: 10 to 15 parts of radix bupleuri, 4 to 6 parts of poria cocos, 4 to 6 parts of purslane, 2 to 4 parts of radix astragali, 4 to 5 pars of bitter orange, 5 to 7 parts of phellodendron, 2 to 4 parts of villous amomum fruit, 1 to 3 parts of leonurus Artemisia, 5 to 7 parts of persimmon calyx, 3 to 5 parts of combined spicebush root, 2 to 4 parts of red sage root, 10 to 12 parts of raw ginger, 6 to 8 parts of processed rhizoma cyperi, 2 to 4 parts of China rose, 1 to 2 parts of zigadenus sibiricus, 5 to 7 parts of gordon euryale leaf, 3 to 5 parts of erodium stephanianum willd, 2 to 4 parts of achyranthes root, 1 to 3 parts of drooping carpesium root, 2 to 3 parts of rhamnus davurica, and 1 to 3 parts of saururus chinensis. The traditional Chinese medicine is prepared through scientific compatibility, has the functions of boosting qi, nourishing blood, and promoting blood circulation to remove stasis, has the advantages of rapid and strong effect, short treatment course, high safety, and no obvious side and toxic effect, is capable of promoting the uterine smooth muscle to contract, assists to diminish the endometrium infection, helps the automatic discharging of residual placenta and embryolemma, and cleans the uterine cavity.