Myocardial infarction may appear chest discomfort, fatigue, palpitations (rapid heartbeat, often accompanied by panic), angina and other precursor manifestations; treatment methods general treatment, drug treatment and surgical treatment. 1. Aura performance. Myocardial infarction belongs to acute cardiovascular disease, part of the aura performance before the onset of the disease, mainly manifested in the onset of the disease due to weakness, chest discomfort, palpitations, shortness of breath, irritability, angina and other manifestations of angina, angina attacks are frequent, take nitroglycerin does not improve the possibility of myocardial infarction needs to be vigilant. 2.Treatment (1) General treatment: avoid strenuous exercise, bed rest should be the main; for those with dyspnea, intermittent or continuous oxygen inhalation should be used, and intravenous access should be established in time. (2) Drug therapy: actively relieve pain, can be used in accordance with medical advice, morphine or pethidine, nitrate drugs such as nitroglycerin and β-blocker metoprolol, etc.; antiplatelet therapy such as aspirin, etc.; anticoagulant therapy such as sodium heparin. If necessary, active drug thrombolytic therapy, common urokinase, streptokinase, etc.; to actively correct the arrhythmia, optional drugs such as lidocaine, atropine. (3) Surgical treatment: myocardial infarction is a serious case that needs timely surgical treatment, common surgical methods include percutaneous coronary intervention, coronary artery bypass grafting, etc., which can play a role in emergency. Once suspected of suffering from myocardial infarction, you should consult a doctor in time to avoid progressive aggravation of symptoms due to delayed condition.