Gastric bleeding may be caused by gastric ulcer, gastritis, or gastric cancer. Before the cause of bleeding is clarified and the bleeding site is found, fasting is required, that is, no food should be eaten, and hemostatic drugs should be given intravenously. It is also necessary to check the blood count to know the patient’s hemoglobin and red blood cell count, to know the approximate amount of blood loss, and to perform emergency gastroscopy to further clarify the lesions in the stomach. If the stomach bleeding has stopped, such as the gastric tube drainage is light or bile-like fluid is drained, the patient does not have black stool, black stool turns yellow, in this case you can drink white rice porridge, millet porridge and so on.