The symptoms of acid reflux, nausea and abdominal distension often occur after gastric cancer surgery, which are related to the impaired function of cardia. It is suggested that the postoperative diet should be less and more meals, soft first and then hard, gradually increase the volume and food types, keep sitting or standing position after meals, preferably walk appropriately, eat 5-8 times a day, each 5-100 grams, and it takes 3-6 months to transition from liquid, semi-liquid and soft food to normal diet. The diet should be light, rich in high vitamins and protein, and easy to digest. Patients can eat eggs, dairy and its products, lean meats as well as tofu, soy milk, fresh vegetables and ripe fruits. At the same time, when eating, patients should chew patiently and use their tongues to stir with saliva, so that the oral cavity can replace part of the digestive function of the stomach, which is quite important in the early recovery of stomach cancer diet. Nutritional powder can be supplemented appropriately between meals. Also remember to limit fried, spicy, overly sweet, overly hot and irritating foods, and not to eat indigestible and overly sticky foods, such as dumplings, rice cakes, cold cakes, sticky bean buns, etc. It is important to take note of the foods that often cause discomfort and must be avoided, as well as irritating foods (chili, mustard, etc.). The absorption of iron is affected by the reduction of gastric acid, so some iron supplements can avoid iron deficiency anemia. In addition, post-total gastrectomy patients are advised to take intravenous supplements of folic acid, vitamin B12 and other trace elements once a year. Oral acid suppressants (omeprazole enteric tablets) are given daily and compound digestive enzyme capsules (Dargie) are given orally before each meal. The regularity of diet needs to be figured out by oneself, and one must have patience and confidence and regular recheck. Give immunity-enhancing drugs, take the right Chinese medicine (Ginseng and Astragalus Fuzheng, Zilong Jin, Ginseng capsule), exercise properly to enhance immunity, of course, if the economic conditions are good, sea cucumber, cordyceps can be, you can also find the old Chinese doctor to adjust, but pay attention to the toxicity of the liver and kidneys of Chinese medicine.