Myocardial ischemia is a narrowing of the blood vessels of the heart and insufficient blood supply, can not be cured by yourself, you need to go to a regular hospital with medication to prevent further development of myocardial infarction. Drugs commonly used in the treatment of myocardial ischemia are: 1. β-blockers: slow down the heart rate, prolong the diastolic period, increase coronary blood flow. Such as bisoprolol, atenolol. 2. Calcium channel blockers: dilate coronary arteries to relieve spasm and increase blood flow, such as verapamil and diltiazem. 3. Nitrates: expand coronary artery to increase coronary blood circulation, such as isosorbide nitrate, nitroglycerin. Acute myocardial ischemia attack should immediately rest, after stopping the activity can relieve the symptoms, the more serious attacks need sublingual fast-acting nitrate drugs, such as nitroglycerin tablets. Myocardial ischemia in remission should be treated with the above drugs to improve myocardial ischemia and prevent infarction. When applying the drugs, attention should be paid to the contraindications and adverse reactions, and the drugs should be used reasonably under the guidance of the doctor. If there is any discomfort, consult the doctor in time.