Upper gastrointestinal bleeding, mainly manifested by vomiting blood and black stools, is often caused by ulcers in the bulb of the stomach and duodenum, ruptured bleeding from cirrhosis of the liver combined with esophageal varices, and ruptured bleeding from gastric cancer, or bleeding from acute erosive hemorrhagic gastritis. Before bleeding, most patients have nausea, painful symptoms, dizziness, cold sweats, general weakness, pallor, rapid pulse, decreased blood pressure, and vomiting of blood, mostly bright red, or mixed with food residues, but wine, cherry juice, and brown drugs should be excluded. In the case of gastrointestinal bleeding, the first step should be home care to preserve the patient’s condition, while calling for help from 120, constantly reassuring the patient, relieving the patient’s nervousness and depression, and the family members should not show signs of panic. Let the patient take a flat position, head low feet high, can be padded pillows at the feet and the bed surface to form an angle of 30 degrees, conducive to the lower extremity blood flow fog, into the heart, to ensure that the brain blood supply, vomiting blood, the patient’s head should be tilted to the side to avoid blood inhalation trachea, resulting in mis-aspiration, while paying attention to warmth, do not diet and water. For patients who have gone into shock, they should promptly clean up the accumulated blood in the mouth, blood accidentally inhaled into the trachea, causing asphyxiation, and at the same time actively go to the hospital for further consultation and treatment.