Postoperative myocardial infarction preferred light and easy to digest food, small meals, avoid greasy, fried, high fat, high cholesterol food and stimulating food intake. Patients recovering from myocardial infarction should have a light diet, which can improve the patient’s intestinal function and promote intestinal peristalsis. Prevent constipation. Food is mainly fluffy, such as thin rice, noodles, etc. Patients with myocardial infarction have low pumping function and weak digestive function, so eating semi-liquid and easy-to-digest soft food can reduce the burden on the digestive system as well as various organs. At the same time, avoid greasy, fried, high-fat, high-cholesterol food, pay attention to low-fat diet, reduce the intake of oil, eat less animal fats and offal, which aggravate the burden on the heart. Myocardial infarction surgery diet should be carried out under the guidance of doctors to avoid the development of the disease.