Diet does not improve myocardial blood supply insufficiency, but patients still need to control their diet to avoid aggravation. Insufficient blood supply to the myocardium is most often seen in coronary artery disease, patients with severe stenosis of the coronary arteries, some patients may be accompanied by heart valve disease, anemia and other causes. Diet does not have the role of increasing the blood supply of coronary arteries, is not the main aspect of changing the blood supply of the myocardium, patients with myocardial insufficiency of blood supply should be regular treatment. Although the diet does not have a therapeutic role, but the diet control is not ideal may aggravate the myocardial blood supply insufficiency, usually pay attention to strict control of the diet, especially to limit the intake of high cholesterol food, combined with patients with high blood pressure to limit the amount of salt, eat more green and fresh vegetables, to ensure that the bowel movement is smooth. Patients with myocardial insufficiency of blood supply should clarify their condition under the guidance of a physician and formulate a dietary program under the guidance of a physician.