γγThe following five kinds of bleeding stools can be seen from the perspective of anorectal consultation; 1, hemorrhoids are generally bright red blood, bleeding more or less, with external hemorrhoids can be accompanied by anal pain during stool; 2, anal fissure bleeding bright red, mostly due to dry fissures, accompanied by anal pain during stool; 3, rectal cancer is dark red, accompanied by normal habit changes such as flattening and thinning of the stool, older patients are common, but in recent years there is a trend of youth, can not be ignored;γγ4, rectal polyps are mostly fresh blood, more stools with mucus, secretions, etc., mostly seen in children; 5, ulcerative colitis is mostly pus and blood, accompanied by abdominal pain, diarrhea; so it is recommended that patients with blood in the stool, please promptly come to the hospital for examination to clarify the treatment, in order to prevent the loss of treatment and mismanagement of the disease.