Gastric ulcer caused by gastrointestinal bleeding, a common disease, the need for fasting according to the illness, and it is can not be generalized. Gastric ulcer caused by the bleeding, and its effect on how to stop bleeding and is directly related to gastric acid. Diet and gastric acid can easily maintain water and electrolyte balance, to ensure that nutrition and food can also promote the bowel, stomach so that food and blood running down, to reduce nausea and vomiting. Therefore, in a sense, diet is also a kind of adjuvant therapy. For less severe diseases, a small amount of bleeding the patient is no need for fasting. The diet should be based on the type of liquid or semi-liquid food was good, but not overheating. Such as milk, milk, rice rare, thin noodles, eggs, soup, and other food to the stomach irritation of the mucous membrane of small and unlikely to cause bleeding, you eat. However, massive bleeding, pyloric obstruction and vomiting occur frequently hemorrhagic shock patients should be fasting and stop bleeding in the treatment of attention to the blood volume at the same time; heat and add the electrolyte. Shock were to be corrected, the lifting of the symptoms of pyloric obstruction, no active bleeding, to be liquid diet, a gradual transition to the semi-flow and eat soft food.