The invention belongs to the technical field of traditional Chinese medicine, and particularly relates to a traditional Chinese medicine preparation for treating breast lumps and a using method thereof. The traditional Chinese medicine preparation comprises, in parts by weight, 8-10 g of dandelion, 8-10 g of kelp, 8-10 g of polygala tenuifolia, 8-10 g of gelidium amansii, 8-10 g of tangerine leaves, 8-10 g of rumex japonicus, 2-4 g of compound of glauber-salt and liquorice, 6-10 g of trifoliate orange, 8-10 g of pericarpium citri reticulatae, 8-10 g of mustard, 6-10 g of motherwort, 3-7 g of pumice, 8-10 g of myrrh, 3-7 g of edible tulip, 8-10 g of selfheal, 4-8 g of lychee seeds, 8-10 g of frankincense, 8-10 g of purple ginseng, 6-10 g of seaweed, 4-8 g of citrus grandis leaves and 8-10 gof pomelo leaves; the traditional Chinese medicine preparation has the advantages of good curative effect, low cost, small limitation, no adverse reaction and the like. The traditional Chinese medicine composition is simple in production process, safe in medication, stable, reliable and good in curative effect, is an effective medicine for treating breast lumps and cystic hyperplasia, has the characteristics of being rigorous in formula, mild in medicine property and remarkable in curative effect compared with similar medicines, and is convenient to popularize and apply clinically in a largearea.