Anti-anginal drugs are divided into five categories: first, anti-platelet drugs, the most commonly used anti-platelet drugs are aspirin and Bolivar, anti-platelet drugs are the most important, is the cornerstone of the treatment of angina; second, lowering blood lipids, stabilize atherosclerotic plaque drugs, the most commonly used drugs are atorvastatin and risuvastatin, antithrombotic and lipid-regulating drugs require long-term use; third, lowering the heart rate, reduce the myocardial The most commonly used drugs are metoprolol or bisoprolol; fourth, drugs to dilate the coronary arteries of the heart, the most commonly used is nitroglycerin or isosorbide nitrate, which can be discontinued after the angina symptoms improve; fifth, myocardial energy drugs, the most commonly used are trimetazidine, coenzyme Q10 or levocanidine. For severe angina patients will also use Nicorandil, this drug belongs to the expansion of microcirculation drugs, also belongs to the vasodilator drugs.