At present, the treatment of coronary heart disease includes drug therapy, interventional therapy (stent) and bypass surgery. Drugs for coronary heart disease and improvement of myocardial ischemia are: 1, nitrates: they can dilate coronary artery, improve myocardial ischemia and prevent angina pectoris, such as: indomethacin (short-term effect) 10mg 3/ day, which can be sublingually used in urgent use to treat angina pectoris. Lunan Xinkang (isosorbide mononitrate), etc., is an intermediate preparation, 20mg 2/ day. Elodine (long-acting) 50mg 1/ day. 2. Beta-blocker: it can slow down the heart rate, improve myocardial oxygen consumption, and treat hypertension and cardiac insufficiency, such as metoprolol 12.5~25mg 2/ day. 3. Antiplatelet preparation: aspirin 75mg 1/ day, or aspirin 100mg/day/time. 4. Traditional Chinese Medicine Preparation: 1) Compound Danshen Dripping Pills Compound Danshen Dripping Pills is a traditional Chinese medicine preparation, which is composed of Danshen, Notoginseng Radix and Borneolum Syntheticum. It has the functions of promoting blood circulation, removing blood stasis, regulating qi and relieving pain, and is mainly used for the treatment of coronary heart disease, myocardial ischemia and angina pectoris. 2) Xinnaoshutong Capsule: It can improve coronary circulation, restore abnormal ischemic electrocardiogram, and relieve symptoms such as coronary heart disease, angina pectoris and chest tightness. At the same time, it can improve cerebral circulation, increase blood supply to ischemic parts, protect brain tissue and prevent thrombosis. Has obvious curative effect on ischemic cardiovascular and cerebrovascular diseases. 3) Jinmai Capsule is composed of red rice, notoginseng, Ligusticum Chuanxiong, Ginkgo biloba and other traditional Chinese medicines. It has the effects of reducing blood fat, dilating blood vessels and resisting hypoxia, and can be used for the adjuvant treatment of coronary heart disease, myocardial ischemia and angina pectoris. Take 2 capsules twice a day. 4) Others include Guanxin Suhe Pills and Quick-acting Jiuxin Pills. The above drugs can be selected according to the condition.