The main manifestations of acute upper gastrointestinal bleeding are as follows: 1, because of its unique etiology: patients with acute upper gastrointestinal bleeding will have symptoms of abdominal pain, due to perforation or, degree of erosion or rupture and bleeding of esophagogastric fundic varices. At the same time there will be abdominal distension, anorexia. 2, fecal occult blood positive: regardless of the amount of bleeding, stool routine will have red blood cells detected. 3, black stool: digestive bleeding is large, the outflow of blood through the digestive tract through a variety of digestive enzymes and cholagogues and other chemical factors involved in the reaction of the blood will be mixed with red blood and food residues manifested as black tarry stools, 4, vomiting blood: when a large amount of bleeding, the blood will be refluxed into the esophagus through the stomach, manifested as Vomiting blood, mixed with food residue. V. Patients with massive bleeding will develop anemia.