The anus protrudes from the main consideration there are two cases: first, hemorrhoids, is a common class of rectal, perianal diseases, due to the hemorrhoidal nucleus increases or intra-abdominal pressure increases, hemorrhoids can be prolapsed out of the anus to form an inlay, the phenomenon of protruding from the anus. At this time should be given 1:5000 potassium permanganate warm water sitz bath, and with the hands of the hemorrhoids gently return to the anus, local application of hemorrhoid cream. If the hemorrhoids embedded can not be returned, because it is easy to form thrombosed external hemorrhoids caused by serious clinical consequences, so should be actively to the regular hospital anorectal surgery line surgical treatment. Second, rectal prolapse, mostly seen in young children and elderly women, clinical manifestations for the anus has a swelling prolapse, and can be accompanied by a sense of incomplete defecation, if the mucous membrane part of the prolapse can be returned to the anus, take the anus stuffed with gauze or to avoid squatting, coughing, and other conservative treatments, if the mucous membrane prolapse needs surgery.