The patient can live a normal life after the total removal of the stomach. Because the stomach is the most important digestive organ of the human body, food enters the human stomach through the esophagus after chewing through the teeth, and then is digested within the stomach before it can provide enough energy to the human body. Although it will not affect the patient’s normal life, the patient has to change the dietary habits slowly to prevent indigestion. If the patient undergoes gastrectomy, the food will go directly into the small intestine and will not be processed and digested by the stomach, which will increase the burden of the small intestine, and the patient may show malnutrition, malabsorption, and may have diarrhea, and may also have complications of anastomotic bleeding. Usually pay attention to adjust the diet, must eat cooked food, you can eat some appropriate fluids, prohibit eating spicy stimulating, cold food, you can eat some fruits and vegetables to improve their own immunity, there is any discomfort need to consult a doctor in a timely manner.