The patient did not stool and anal bleeding, often caused by the following reasons: 1, hemorrhoids: especially with internal hemorrhoids, can appear anal bleeding, you can go to the hospital general surgery or anorectal surgery clear, usually need to do anal finger diagnosis, anoscopy, if the disease, you need to actively adjust the diet structure, and with drug sitz bath treatment. If the conservative treatment effect is poor, bleeding more, you need to perform surgery. 2, intestinal vascular rupture: may be caused by the rupture of malformed blood vessels in the intestine, you need to go to the hospital to check the colonoscopy, as well as abdominal CT, if necessary, angiography, etc. for clarification. If the condition is mild, hemostatic drugs can be given for treatment; if the condition is serious, hemostasis needs to be carried out under interventional conditions. 3, intestinal growth: it may be caused by a mass growing in the intestine, such as benign polyps or even malignant tumors, and the cause needs to be clarified as soon as possible to give relevant treatment.