Western medicine, i. Nitrate preparations. Can reduce myocardial oxygen demand and improve myocardial perfusion, including analgesia, isosorbide mononitrate extended-release tablets. Second, beta-blockers. Can slow down the heart rate, reduce myocardial oxygen consumption, reduce blood pressure, improve myocardial blood supply, the drugs include betalactam, bisoprolol fumarate. Third, calcium channel blockers, can inhibit the use of calcium ions in the excitation-contraction coupling of cardiomyocytes, to relieve coronary artery spasm, including nifedipine controlled-release tablets, diltiazem extended-release tablets. Fourth, trimetazidine. It can improve the energy metabolism of cardiomyocytes under hypoxia. V. Nicorandil. It is a potassium channel opener and improves coronary microcirculation. For Chinese medicine: you can choose Musk Heart Pill and Compound Danshen Drop Pill. In addition, acupuncture and acupressure are also effective.