Heart attack comes quickly does not exist three strokes self-help method of saying, but can be sublingual nitroglycerin, lie down on the ground, call 120 these 3 methods for help. Sublingual nitroglycerin, can expand coronary blood vessels and small arteries, small veins, so that the blood pressure drops, coronary artery filling, and then relieve coronary spasm and improve blood supply and oxygenation, slowing myocardial necrosis. Lying flat on the ground while remaining calm can minimize myocardial oxygen consumption, while lying flat is conducive to promoting blood reflux, improving myocardial perfusion to a certain extent. Calling 120 and seeking medical assistance as soon as possible is an effective means to prevent further deterioration of heart attack. Patients should call 120 in time, under the guidance of professional emergency physicians for initial diagnosis and treatment and wait for help to avoid delaying the condition.