Nursing care of heart attack, for acute onset of the patient, should create a good rest environment, let the patient bed rest, reduce family visits, eliminate the patient’s adverse stimuli and anxiety, prohibit overeating, full meals, ensure that the urine and feces are unobstructed. At the same time, monitor the patient’s blood pressure, respiration and blood oxygen changes, for patients with respiratory difficulties, should be allowed to continue to breathe oxygen. In the first 24 hours of infarction, patients should be forbidden to do any physical activities, and after 24 hours, if there is no complication, patients can be encouraged to do simple physical activities. 72 hours later, if there is no hypotension and other corresponding conditions, patients can be allowed to get out of bed, and walk around the ward appropriately, and then gradually increase the amount of exercise, so as to allow them to adapt to the changes in cardiac function. During this period, the patient’s heart rate and blood pressure should be closely observed.