Heart attack should be sedated, angina patients can quickly sublingual nitroglycerin, serious symptoms should immediately call 120 emergency telephone, timely hospitalization. Most of the acute heart attack belongs to angina pectoris, a few patients may be acute myocardial infarction, patients may manifest chest pain. Patients with acute chest pain should pay attention to rest, lying position, keep breathing, and at the same time to sedation. Nitroglycerin can be taken sublingually to increase the blood supply to the coronary arteries. For patients whose angina symptoms cannot be relieved, they should immediately call 120 emergency number and go to the hospital for urgent diagnosis and treatment. Severe angina may have a serious narrowing of the coronary arteries, through the drug can only temporarily relieve the symptoms, we should promptly go to the hospital to improve the coronary angiography, if necessary, implantation of stents. When having an acute heart attack, avoid panic, stay calm, call for help in time, and it is best to give treatment under the guidance of a doctor.