The most effective way to help yourself from a heart attack is to first recognize a heart attack, then stay calm, rest and call for help right away. 1. Recognize whether it is a heart attack: generally have a history of coronary heart disease, the middle part of the sternum sudden severe crushing pain, and sweating profusely, may have an acute heart attack. 2. In line with the above symptoms immediately lie down and rest, do not be anxious and panic, you can take deep breaths to keep calm, while immediately sublingual nitroglycerin tablets. 3. If there is someone at home, tell your family as soon as possible under the premise of reducing oxygen consumption, and if you are at home independently, call your relatives or neighbors as soon as possible or directly call 120 emergency. Acute heart attack is not recommended to take oral aspirin or clopidogrel and other antiplatelet drugs, it is recommended to take under the guidance of a doctor, no matter who the contact object is, to do the fastest delivery to the nearest hospital with chest pain emergency clinic.