Survival of gastric cancer patients is not so much related to the volume of the removed stomach, but rather to the stage of the tumor. The higher the stage, the lower the five-year survival rate. For patients with gastric cancer who have the whole stomach removed, an artificial stomach can be made through the jejunum, which does not have much impact on diet after surgery and usually does not lead to malnutrition and other conditions. However, the next treatment plan still needs to be formulated according to the results of pathological examination after surgery. Because patients with gastric cancer who need to remove the whole stomach usually have a higher stage and need to undergo other treatments. Therefore, it is not possible to clarify the patient’s survival based on the removal of the entire stomach alone, but also needs to be analyzed in the context of his or her current pathology. If the patient is already in stage IV, the five-year survival rate is about 10%, and the risk of recurrence and metastasis increases in this stage. For patients with gastric cancer who have had their entire stomach removed, they should pay attention to their daily diet and should be given light and easily digestible food.