The invention relates to a medicine for treating coronary heart disease, particularly relates to a traditional Chinese medicine oral decoction for treating coronary heart disease. The traditional Chinese medicine oral decoction is prepared from traditional Chinese medicinal herbs as raw materials. The traditional Chinese medicine oral decoction is prepared from the following raw materials according to the parts by weight (unit: gram): 20-30g of milkvetch root, 10-20g of Dan-shen root, 10-20g of szechwan lovage rhizome, 5-15g of red peony root, 5-15g of pilose asiabell root, 5-15g of Chinese angelica root, 10-20g of safflower and 5-10g of licorice root. The traditional Chinese medicinal herbs are compounded to benefit mutually. The traditional Chinese medicine oral decoction provided by the invention has the effects of promoting blood circulation, dredging meridians, loosening bowel to relieve constipation, removing heat from blood, dispelling blood stasis, relieving swelling, invigorating qi, consolidating superficial resistance, promoting urination, expelling toxic materials, promoting pus discharge, promoting wound healing, promoting tissue regeneration, regulating immunity, inhibiting bacteria, resisting cancer, lowering blood pressure and regulating blood lipid, so as to effectively repair cells, eliminate waste in blood, gradually dissolve cholesterol and blood fat on the walls of blood vessels, eliminate atherogenic blood lipid precipitation and improve blood vessel elasticity. The oral decoction takes remarkable effect during the course of treating coronary heart disease. The oral decoction can be used for treating both principal and secondary aspect of disease, is economical and practical, and has the advantages of small adverse effect, remarkable curative effect, self operation and simple operation method.