If you have a heart attack, you should immediately give first aid measures, oral antiplatelet drugs, emergency thrombolysis or emergency PCI treatment. 1. First aid measures: After having a heart attack, rest immediately, take nitroglycerin under the tongue, call the emergency number, go to the hospital quickly, and at the same time, pay attention to keep calm and avoid excessive agitation. 2. Antiplatelet therapy: patients with heart attack should be given antiplatelet drugs immediately, given aspirin, clopidogrel or tegretol orally, to quickly inhibit the activity of platelets in the body, to prevent further aggravation of the symptoms of heart attack, and to prepare for the next step of treatment. 3. The main therapeutic measure in the acute stage of heart attack is to open the blood vessels, and thrombolytic therapy can be chosen, and patients with contraindications can not be thrombolytic, and the risk of bleeding is high. Hospitals with conditions should give emergency PCI treatment, quickly open the occluded blood vessels, and monitor vital signs after the operation. Patients with heart attack should be resuscitated in a race against time, focusing on opening the occluded vessels and restoring the blood supply to the diseased vessels.