The invention discloses a traditional Chinese medicine preparation for curing hyperplasia of mammary glands. The traditional Chinese medicine preparation comprises 3 to 100 g of bupleurum root, 3 to 100 g of white peony root, 3 to 50 g Chinese angelica root, 3 to 100 g of prunella spike, 1 to 50 g of green tangerine orange peel, 3 to 50 g of globethistle root, 3 to 100 g of tangerine seed, 3 to 100 g of seed of cowherb, 1 to 30g of ground parched pangolin scales, 3 to 100 g of pilose asiabell root, 3 to 50 g of corydalis tuber, 3 to 50 g of curcuma root, 1 to 50 g of rose, 1 to 30 g of chinaberry fruit, 1 to 30 g of burreed tuber and 1 to 30 g of zedoary; and the traditional Chinese medicine is added with water and then boiled to obtain liquid medicine. The traditional Chinese medicine preparation has the functions of soothing the liver, relieving the depressed liver, promoting the circulation of qi, preventing cancer, resolving phlegm, softening hard masses, dispersing accumulation of pathogen, promoting blood circulation, promoting the subsidence of swelling, dredging qi and blood, dispersing tumor of breast, eliminating breast lump, promoting menstrual flow, promoting blood circulation, relieving depression of the liver-qi, resolving phlegm and softening hard masses, removing blood stasis and dispersing accumulation of pathogen, and also has the effect of regulating menstruation, so that irregular menstruation and other symptoms can also be relieved or can disappear.