1.Gastric subtotal resection Adhere to the small amount and many meals. Give a small amount of water on the day after gastric tube removal, 4-5 tablespoons each time, once every 1-2 hours. On the second day after drinking water, enter half amount of liquid food, i.e. 50-80ml per meal, on the third day, full amount of liquid food, lOO-150ml per meal, slowly intake, 6-8 times per day, intake of food containing high protein, high vitamin and various minerals, should avoid food easy to flatulence, rice soup, egg soup, vegetable soup, root powder is better. If the postoperative recovery is normal, you can enter thin rice on the fourth day, and semi-liquid after 10 days. The main food and side dishes should be soft and easy to digest, avoid eating raw and hard, fried, strong tea, wine and other stimulating foods. 2.Total gastrectomy The general eating principle is: small amount of multiple meals, gradual, into a light and easy to digest liquid food, gradually transition to the general diet. Diet plan: on the second day after stopping gastrointestinal decompression, start to eat rice soup, 30ml each time, alternating every half hour, stop eating after sleeping at night, eating about 20 times a day; on the third day, eat 60ml each time, alternating every hour; on the fourth day, change to 100ml each time, alternating every hour; on the tenth day, change to semi-liquid food. The above plan is based on the principle that the patient complains of no discomfort. The above plan can be modified at any time according to the specific situation of the patient. If the patient feels bloating and abdominal pain, he should stop eating and observe whether there are symptoms of obstruction. The liquid diet should be rice soup, egg soup, vegetable soup, lotus root powder, meat soup, fish soup, fresh fruit juice, chicken soup and pigeon soup, and avoid foods that can induce intestinal flatulence, such as milk and soy milk. A semi-liquid diet should be chosen from foods that are high in protein, high in calories, high in vitamins, low in fat, and fresh and easy to digest. This includes tofu, shredded potatoes, lean meat (fish, chicken, pork) puree, vegetable puree, cakes, cookies, tomato and egg noodles, etc. Avoid: persimmons, hawthorn, chestnuts, celery, leeks.