The invention provides a traditional Chinese medicine composition for treating lobular hyperplasia of mammary glands and breast tumor. The traditional Chinese medicine composition consists of the following components in certain parts by weight: Chinese thorowax root, nutgrass galingale rhizome, Chinese angelica, Szechuan lovage rhizome, danshen root, pangolin scales, zedoary rhizome, milkvetch root, Indian buead, motherwort herb, common burreed rhizome, deerhorn, dried tangerine peel, green tangerine peel, peach seeds, bulb of thunberg fritillary, fruit-spike of common selfheal, frankincense, tangerine seeds, licorice root, cowherb seed, safflower, turmeric root-tuber, towel gourd vegetable sponge, cochinchnese asparagus root, Mongolian dandelion herb, pseudobulb of appendiculate cremastra, corydalis tuber, beautiful sweetgum fruit, honeysuckle flower, coptis chinensis, figwort root, pinellia tuber and glossy privet fruit. The traditional Chinese medicine composition provided by the invention can be used for treating diseases such as lobular hyperplasia of mammary glands, breast benign tumor and uterine myoma, is significant in effect, cannot cause toxic or side effects, ensures that the effective treatment rate can reach 96%, and is not easy to cause recurrence.