Patients with chronic gastrointestinal bleeding may experience abdominal pain, bloating, and nausea, as well as diarrhea or constipation and indigestion. Repeated bleeding through the action of digestive juices in the intestines can lead to the appearance of tarry stools, which is a typical change in gastrointestinal bleeding. On examination, there will be obvious pressure and pain in the abdomen, active bowel sounds, tympanic sounds on percussion, and abnormal masses or pressure points in the localized lesions, and enteroscopy or endoscopy can make a clear diagnosis. For gastrointestinal bleeding, the most effective treatment is to choose surgery, but also should be given to stop bleeding drugs, as well as the application of drugs to protect the mucosa of the gastrointestinal tract, regular review. In addition, it is also necessary to eat a reasonable diet, stay away from irritating foods and spicy foods, and keep bowel movements regular and smooth.