Postoperative considerations for gastric cancer Diet to prevent postoperative dumping syndrome: Postoperative patients who have most of their stomachs removed should first eliminate psychological factors such as fear that eating will affect wound healing, relax mentally and trust the scientific arrangement of doctors. Take a semi-recumbent position for meals, and lie flat for 15-30 minutes after eating before moving around. This is to prevent the dumping syndrome such as epigastric distention, nausea, vomiting, diarrhea and panic caused by the food in the residual stomach suddenly entering the duodenum and jejunum. The content of food, initially, is highly nutritious and easily digestible liquid food, semi-liquid food, soft food, food should be non-irritating, quit smoking and alcohol, it is advisable to eat more fruits and vegetables rich in carrots and vitamin C. Avoid frying and deep-frying, and eat small and frequent meals. Psychological care: Maintain an optimistic, confident and happy state of mind. Watch more humorous and festive programs and make friends. Physical exercise: Do outdoor activities and physical exercise according to your ability, such as walking, tai chi, tennis, travel, etc. Dietary care: Diet should be gradually transitioned from thin to thick, from small to large amounts, from low to high calories. Patients should develop good eating habits, eat regularly, eat regularly and quantitatively, insist on eating less and more meals, 5-6 meals per day is appropriate; main food and side dishes should be soft and easy to digest, eat a little less at each meal to adapt to the characteristics of small stomach capacity, never overeat, and should pay attention to dietary hygiene. Start from liquid (such as rice juice, egg flower soup, lotus root powder, milk, egg custard, etc.), to semi-liquid (such as thin rice, ravioli, noodles, pasta, etc.), and finally transition to ordinary diet. Generally, semi-liquid diet is introduced 2 weeks after surgery, and the patient can return to normal diet 6 months after surgery. Regular review: Patients should be reviewed once a month for the first six months after surgery, and the diet should be introduced to the surgeon in a timely and accurate manner. In the 2 years after surgery, the patient should be reviewed every 2-3 months; in the 2-5 years after surgery, the patient should be reviewed every 3-6 months, focusing on whether there is recurrence and timely prevention and treatment of long-term complications. In the postoperative period of 5-10 years, it can be reviewed every 6 months to 1 year; in the postoperative period of 10 years or more, it can be reviewed once a year. Stomach cancer patients insist on regular postoperative review, which will certainly help to prolong survival and improve life quality. Consolidation and maintenance therapy: After postoperative radiotherapy, cellular immunotherapy can be performed for consolidation and maintenance therapy to delay recurrence and metastasis, prolong survival and improve patients’ life treatment.