Coronary artery disease is a condition in which hardening of the coronary arteries reduces the blood supply to the heart; therefore, it is also known as ischemic heart disease. When the narrowing of the coronary artery lumen exceeds 50%-70%, resulting in inadequate blood supply to the heart muscle, only then do the obvious symptoms appear: including angina pectoris, arrhythmia, acute myocardial infarction, ventricular fibrillation and cardiac arrest (sudden death). Cardiac surgery experts clinically found that the eating habits of patients with coronary heart disease are love to eat large fish and meat, fried food, not love to eat coarse vegetables; heavy mouth, love to eat salty dishes, stir-fry fierce put soy sauce; love to drink, smoke and drink sweet drinks. In addition to the staple food rice and noodles, appropriate mix of grains and beans. Lean meat (including chicken, fish) 2-3 taels per day, do not eat or eat less fatty meat, eat less animal offal, but do not absolutize, from time to time eat some liver or beneficial. Cooking with vegetable oil, no or less animal oil. Green vegetables and fruits are beneficial to eat more, tomatoes can be eaten every day, but do not add too much sugar, and soy products, peanut rice, walnuts, etc. can also be eaten often. Less salt: Although salt is indispensable every day, but if you eat too much sodium intake is too much, is a risk factor for hypertension. Adult daily salt intake of 5-6 grams can maintain normal needs. Currently, the average daily salt intake of Beijingers is around 12 grams, so it is better to cut it in half by and large. Although it is not an independent pathogenic factor, salt overload is an important factor in hypertension. The low sodium salt sold in the market is worth advocating. Alcohol control: drinking alcohol in excess is harmful, alcohol is high in calories, spirits should not be drunk often, yellow wine and wine should also be drunk in moderation. Drinks: the most convenient and beneficial drinks are plain water and tea, drinks with more sugar should not be drunk.