Myocardial ischemia if there are no symptoms, there is a need to take medication, that is, in the resting time to check the electrocardiogram, or radionuclide myocardial imaging, the two tests suggest that there are obvious myocardial ischemia changes in the patient, this patient should be appropriate to reduce the amount of work, you can choose to use nitrate or β-blockers, as well as calcium antagonist therapy. In addition, this patient needs to take measures to prevent and control atherosclerosis, mainly including reasonable diet, prevention of obesity, if obesity must be reduced, must be low cholesterol diet, limit the intake of alcohol and sugar, light diet, eat more vegetables, fruits, beans and so on. If the blood lipid is not abnormal, more than 40 years old, this is also to avoid greasy food, low-fat diet, do not overeat, appropriate physical labor or physical activity, to maintain optimistic mood and mentality. Life should be regular, sleep enough, do not smoke, in addition to control high blood sugar, high blood fat, high blood pressure and so on.