Stomach cancer surgery is the surgical removal of most or all of the stomach, and the food traits of post-surgical stomach cancer patients are required to be soft, fluid and well-digested food; food nutrition requirements are also very important, both rich in carbohydrates and high protein such as milk, eggs, fish, fish soup, lean meat, etc., less and more meals, no spicy and stimulating food, no alcohol, easy to digest, avoid pickled food, fried food, etc., and vitamin absorption is also important. Vitamin absorption is also very important. Therefore, diet control is very important for postoperative patients with gastric cancer. If the intestinal function of postoperative gastric cancer patients is restored to normal, they can eat mainly liquid food, but they must avoid foods that are easy to produce abdominal distension such as milk, and the principle to be followed is that the food is not irritating, no flatulent food, no food that is too sweet, and it is recommended to eat more food such as egg soup, rice soup, porridge and vegetable soup. Increase the amount, transition to less residue, semi-liquid food. In addition, eating less and more meals with balanced nutrition and reducing the burden on the stomach is beneficial to the recovery of stomach health. Different people have different physical conditions and recovery situations. Generally, 3-6 months after surgery, patients can gradually return to normal diet according to their own physical conditions, and this time period requires a slow transition. In addition, patients with gastric cancer should do proper exercise, drink more water, increase intestinal peristalsis, and also maintain a good mentality, which is very beneficial to post-operative recovery.