Bleeding from the buttocks is common in the following cases: First, internal hemorrhoids, internal hemorrhoidal bleeding is mainly blood on the paper or dripping blood, in severe cases, can bleed, spurt blood, bright red color, not mixed with stool, mainly occurs when defecation or constipation, you can use hemorrhoidal suppositories plugged or oral Yunnan Baiyao and other antiemetic medication to relieve, but also can be directly for surgical treatment. Second, intestinal ulcers, intestinal ulcers also have the manifestation of blood in the stool, but accompanied by diarrhea, abdominal pain, viscous secretion discharge and other symptoms, need to be differential diagnosis with intestinal tumors, polyps, etc., can be confirmed by colorectaloscopy. Third, intestinal tumors, this disease is more serious, through the colonoscopy and clinical manifestations of joint diagnosis, blood in stool is darker in color, often mixed with stool, stool properties will also change. When blood in stool occurs clinically, it is necessary to go to the hospital in time for systematic examination, to clarify the cause of the disease and symptomatic treatment.