Patients should develop good eating habits, eat regularly and quantitatively, and insist on eating less and more meals, with 5-6 meals per day as the appropriate stage gradually, and a small amount of continuous increase in food intake. Eat for more than 20-30 minutes. Adequate chewing and slow swallowing, cooking to achieve easy digestion, soft purpose. Drinking water should also be slow; staple food and side dishes should be soft and easy to digest food, a little less at each meal to adapt to the characteristics of the small capacity of the stomach, patients after surgery, the lack of grinding function of the stomach, so the chewing function of the teeth should play a more important role, for the coarser indigestible food, more should be chewed slowly; if you want to eat soups or drinks, should pay attention to the dry and thin separate, and try to enter the soup before or 30 minutes after the meal In order to prevent food from being discharged too quickly to affect the digestion and absorption; when eating, you can take a flat position, or rest in a lateral position after eating to extend the time of food evacuation, so that it is completely digested and absorbed. Never overeat, and pay attention to dietary hygiene. In general, there are no absolute dietary contraindications for post-gastrectomy patients, but the following points should be noted: 1. Avoid consuming a large amount of sweets at one time to prevent the occurrence of dumping syndrome. 2, reduce the consumption of cold, spicy and irritating foods, such as chili, pepper, mustard, high salt, shrimp paste or pickled vegetables (pickles), etc. . 3, balanced intake, supply the yin and yang substances needed in the body, balanced intake of porridge or rice, meat, vegetables, fruits and other five major nutritional factors. The intake of high-quality protein is important to restore immunity and maintain body weight. Meat, seafood, tofu, and eggs cooked until easy to digest strive for every meal. Prevention of dumping syndrome only requires small amounts, diligent, slow and fine chewing. Only the process is not to drink water. Maintain body weight, regular weight measurement, instead of eating less to eat more meals, using high protein and high calorie intermittent food. Appropriate use of animal liver, fresh vegetables, fresh fruit, as a way to improve the acquisition of various vitamins and minerals. 4, avoid quoting strong wine, strong tea, coffee, fast food (instant noodles, etc.), too cold, too sweet (fish sauce, persimmon juice, ice cream, etc.) food and other beverages, drink more orange juice, fresh fruit juice and other drinks rich in vitamin C, because they will help you absorb iron. 5, avoid eating dried fruits, rice cakes and coarse fiber (celery, leeks, bamboo shoots, etc.) is not easy to chew adequate food. Because they are often the direct cause of postoperative intestinal obstruction. 6, as little as possible to take salicylic acid drugs, such as aspirin. More importantly, after total gastrectomy, patients are prone to malnutrition anemia, so the levels of vitamin B12, iron and calcium must be tested regularly, and vitamin B12 can be injected once a month, along with intravenous iron and calcium supplements. After discharge from the hospital, patients can resume eating with their families. The amount of food eaten is usually based on their own feelings, and if they feel full or bloated, they should stop eating.