Prevention of myocardial infarction can be achieved through life regulation, drug prophylaxis, and surgical intervention if necessary. Occurrence of myocardial infarction refers to the occurrence of lesions in the coronary artery and some of its branches that supply blood and oxygen to the myocardium, which may be caused by dislodgment of thrombus embolus, plaque rupture, coronary artery spasm, atherosclerosis, and microvascular lesions. 1. Life regulation, first of all, quit smoking, because smoking will damage the function of vascular endothelium, may aggravate coronary artery atherosclerosis, may also lead to coronary artery spasm, etc.; Secondly, we should have a low-fat diet, to avoid the total cholesterol and triglyceride in the blood to further elevate; but also to control emotions, when emotional excitement, easy to lead to elevated blood pressure, but also may cause vascular spasm, which may trigger myocardial infarction, etc.. 2. Drugs preventive treatment, for different causes of myocardial infarction, you can follow the doctor’s instructions to choose different drugs targeted treatment, such as atorvastatin calcium tablets, isosorbide mononitrate tablets, nifedipine extended-release tablets, aspirin enteric-coated tablets, and so on, during the medication period, if you feel uncomfortable, you need to consult your doctor in time to adjust the medication. 3. Surgical intervention, if the degree of coronary artery stenosis is strong, and there is obvious discomfort such as chest tightness and chest pain, in order to avoid myocardial infarction caused by vascular occlusion, you can carry out coronary intervention, coronary bypass grafting, coronary stenting and other ways of preventive treatment. If you suspect myocardial infarction and other discomforts, you should seek medical treatment in time and under the guidance of your doctor.