(1) Eat regularly, choose easily digestible food, small and frequent meals, and strictly forbid full meals. (2) Poor appetite: Most patients have a poor appetite after surgery. You can improve your appetite by improving your eating environment and increasing the color and flavor of your food. You can also improve your appetite by increasing your exercise. As your health improves, your appetite will gradually return. (2) Protein intake: advocate a high protein diet after surgery, eat a total of 2 to 3 taels of lean meat, poultry, fish, eggs or nuts per day, drink 200 to 300 ml of milk or yogurt (non-dairy substitute) or 400 to 600 ml of soy milk per day, and try not to eat fatty meat, chicken skin or duck skin because of the high fat content. Cardiovascular Surgery Department of Tianjin Medical University General Hospital Wang Ruoxin (3) cholesterol intake: eat less cholesterol-containing foods, such as animal brains, egg yolk, crab yolk, animal offal, squid, and caviar. Eat 3-4 eggs per week, you can eat only the egg white, not the yolk. (4) Lipids, salt intake: It is best to use vegetable oils such as soybean oil and peanut oil when frying, and not animal oils such as lard. Eat less salt, not more than 6 grams of salt intake per person per day. (5) carbohydrate intake: daily intake of rice, noodles and other cereals is controlled at about half a pound, diabetic patients are recommended to eat coarse grains, such as oats, corn, sorghum, sweet potatoes, etc., it is best not to eat sweets. (6) intake of vegetables and fruits:You are recommended to eat more vegetables and fruits, you should eat 400 a 500 grams of fresh vegetables every day, the best green vegetables and red and yellow vegetables, such as spinach, rape, leek, carrots, pumpkin, etc. Non-diabetic patients eat more fruits, 400 to 800 grams per day, such as apples have cholesterol-lowering effect. Diabetic patients are mainly cucumber and tomatoes. (7) Drinking alcohol:It is recommended that you do not drink alcohol or drink a small amount of alcohol, drink no more than 25 ml of white wine, no more than 300 ml of beer and no more than 100 ml of red wine per day. Drink more tea, the tea polyphenols in tea can resist atherosclerosis. (8) Confirm the content of sugar, salt, fat, protein, etc. by reading the labels on food packages. (9) Avoid frequent meals in restaurants.