Mucus and blood in the stool, considering the following kinds of anal and intestinal diseases: 1, may be ulcerative colitis, the typical symptoms of this disease will bleed in the stool, and the stool is mixed with mucus, or directly is pus and blood stools, accompanied by frequent bowel movements, body fever, and tummy pain and other symptoms, the need for timely treatment. 2, may be hemorrhoids, there will be a stool with a small amount of Secretion, bleeding, blood can not be mixed with stool, blood color is bright red, and the amount of blood is not much, but also accompanied by pain and other symptoms. 3, may be caused by anal polyps, there will be bright red blood, no pain, blood and stool do not mix and other symptoms. In addition, rectal inflammation and perianal abscess may also lead to mucus and bright blood in the stool, and anoscopy is needed to confirm the diagnosis.