There is no so-called “most effective” medicine for angina pectoris. Nitrate drugs such as nitroglycerin and antiplatelet drugs such as aspirin can be used according to individual conditions. Angina pectoris is a form of coronary heart disease, when labor, emotional excitement and other cardiac load increases, myocardial oxygen demand increases, there is a narrowing of the coronary arteries can not correspondingly increase the blood supply, will cause angina pectoris attack. Angina attack should rest immediately, can be sublingual nitrate drugs such as nitroglycerin, isosorbide nitrate, etc. to quickly relieve symptoms. During angina pectoris remission, related drugs can be used to improve the condition and prognosis, such as β-blockers metoprolol and bisoprolol, calcium channel antagonists verapamil and diltiazem to reduce myocardial oxygen consumption and alleviate symptoms. In addition, antiplatelet agents such as aspirin and clopidogrel, and lipid regulators such as simvastatin and ezetimibe can also be used to prevent infarction and improve prognosis. To summarize, angina patients are advised to consult a doctor in time and use relevant drugs under the guidance of the doctor.