Bleeding in the stool after eating chili peppers, the common clinical causes are hemorrhoids, intestinal diseases, anal fissure and so on. 1. hemorrhoids: the disease is caused by the venous congestion and enlargement of the anal canal or the lower end of the rectum, the clinical manifestations of bleeding during defecation, pain, anal itching, hemorrhoids prolapse, etc., when people with the disease consume chili peppers after the mucous membrane in the anus may be stimulated to rupture and bleeding. 2. Intestinal diseases: this situation is mostly seen in people who suffer from colon polyps, ulcerative colitis and other diseases, the intestinal mucous membrane damage exists, in the stimulation of chili pepper may aggravate the bleeding of the damaged parts, ulceration, resulting in the discharge of bloody stools. 3. anal fissure: the situation refers to the anal canal skin rupture or tear, usually associated with constipation, diarrhea recurrence, clinical manifestations of defecation pain, bleeding, constipation, etc., this kind of people consume chili peppers after the affected area of the skin may be stimulated by the symptoms of aggravation, it is recommended that during the period of illness to reduce the consumption of stimulating types of food. It is recommended that people with this condition should go to the Department of Anorectal Surgery in a hospital for consultation and further treatment.