Total gastrectomy is a relatively major surgery. When a total gastrectomy is performed, the patient’s digestive function will be greatly reduced in a short period of time, which will seriously affect life and will be more painful. Patients will experience discomfort such as reduced meal intake, early satiety after meals, bloating after meals, abdominal pain, and indigestion, and will be given dietary habits to adjust. After gastric resection, the gastric tolerance diastolic function will disappear, and the food will have no place to be stored and will be directly discharged into the duodenum, so the amount of each meal should be appropriately reduced, and small meals should be eaten more frequently. Initially, light fluid or semi-fluid food is the main focus, and more rice porridge, noodle soup, fruit juice and other fluid diet. According to the body to adapt to the situation, slowly increase the amount of food and food type. However, avoid spicy, cold and greasy food, eat small meals and avoid overeating to promote recovery.