Surgical resection of gastric cancer is the most effective treatment method, but since most of the stomach is removed after surgery, the residual stomach left behind becomes smaller, which will cause changes in digestion and absorption and other functions. Post-operative radiotherapy and other treatments will cause further damage to the stomach. Symptoms such as digestive disorders, loss of appetite, abdominal distension and pain after eating will occur. Dietary considerations after gastric cancer surgery 1. Daily diet should limit the intake of fried, spicy, stimulating foods such as coffee, strong tea and too cold drinks, and overheated and too sweet foods. The temperature of food should preferably be 40~50. Prohibit smoking and alcohol. 2, the diet should be light, high vitamin, high protein, rich in nutrition, easy to digest. Such as noodles, all kinds of porridge, milk, soy milk, lotus root powder, fish, shrimp, lean ground meat, etc. Often eat more fresh fruits and vegetables. 3.Chew the food slowly, let the food chew with teeth in the mouth, mix the food and saliva with the tongue, so that it is easy to digest and replace part of the digestive function of the stomach with the mouth, which reduces the burden of the stomach. 4.Patients gradually resume their normal diet after surgery, i.e. three meals per day, which takes at least 6~8 months, so postoperative patients are discharged from the hospital and eating less and more meals is the principle of diet. Eat 5~8 times a day, with 75~100 grams of food intake each time. Initially, the amount is small and the frequency is large, and then gradually to the amount is large and the frequency is small. From liquid, semi-liquid to soft food. 5. Some iron supplements may be appropriate. Due to the reduction or lack of gastric acid after gastrectomy and affect the absorption of iron, resulting in iron deficiency anemia. You can eat ferrous sulfate, animal liver, spinach, etc. 6, 2~3 weeks after surgery, some patients may have panic, sweating, dizziness, nausea, vomiting, upper abdominal discomfort and other symptoms after eating sweet food (such as milk with sugar), which usually lasts 15~30 minutes and can be relieved by itself, called “dumping syndrome”. In order to prevent this situation, it is necessary to control the total amount of food and eating speed of each meal, and lie down to rest for 15-30 minutes after eating. Avoid eating cold, overheated, coarse and hard foods; 4. Avoid eating spicy and stimulating condiments, such as pepper and mustard; 5. and gas-producing foods (such as radish, garlic, white potatoes, etc.). These foods are not completely unacceptable, but you need to consider the amount and personal tolerance for these foods.