The elderly with myocardial infarction must go to the hospital as soon as possible. Myocardial infarction will cause chest pain, gastrointestinal discomfort, arrhythmia, and even shock in serious cases. Therefore, elderly patients with myocardial infarction must be hospitalized and treated by surgery when necessary, which is more important than treatment for heart disease prevention. Patients with myocardial infarction should pay attention to diet, choose light, healthy and nutritious food, which can control blood pressure, blood lipids, prevent myocardial infarction and sudden death. At ordinary times, you must take more rest and observe your physical symptoms. If you feel unwell, go to the hospital and actively cooperate with the doctor to treat and maintain your body. In addition, proper exercise can strengthen your physique and exercise your heart function.