The number of patients who were refered to our ward because of gastrointestinal bleeding were 298 cases during recent 5 years from 1972 to 1976. In these cases, 67% were upper gastrointestinal bleeding, while 33% were lower gastrointestinal bleeding. Although peptic ulcer was proved to be most common source of upper gastrointestinal bleeding (73.5%), its items were as follows