Coronary heart disease can be prevented through the usual dietary management, the diet should be light, do not eat too greasy food, do less sugar, low fat and so on. Coronary heart disease is mainly caused by coronary artery atherosclerosis, which can be manifested as myocardial ischemia and hypoxia. High blood fat, high blood pressure and high blood sugar are the risk factors of coronary heart disease atherosclerosis. Normally in the diet should pay attention to eat more fresh vegetables and fruits, do low salt, low fat, low cholesterol intake, and appropriate exercise. Appropriate intake of milk, fish, eggs, daily supplementation of adequate vitamins, minerals, etc., staple food should eat more grains, rich in dietary fiber, reduce fructose and sucrose intake. If there is any discomfort, it is recommended to go to the hospital for examination in time.