Anal always feel wipe not clean mainly consider pathological factors such as anal fistula, anal laxity, rectal prolapse, hemorrhoids and other causes of secretion or fecal residue. 1. Fistula: because of the existence of the external mouth of the fistula, feces and intestinal fluids can flow out through the mouth, secretions are always there to cause the anal area is always not clean. 2. anal relaxation: such as the elderly body function decline, the anal sphincter muscle strength is also relatively decline, causing anal relaxation, resulting in fecal overflow, resulting in the anus is always not clean phenomenon. 3. Rectal prolapse: can cause rectal mucous membrane prolapse, after defecation, feces can remain in the mucous membrane folds of the prolapse, causing the anus to always wipe clean, but also can be accompanied by perianal skin ulcers, itching and other symptoms. 4. hemorrhoids: if for external hemorrhoids may cause fecal residue in the skin folds, if for internal hemorrhoids, after defecation may make fecal residue in the internal hemorrhoidal gap, will lead to the phenomenon of the anus wipe not clean. Daily life should keep the anus local hygiene, such as defecation after not cleaning the anus will also appear always feel wipe not clean phenomenon. If the long-term symptoms of anal wipe not clean, it is recommended to go to the hospital in a timely manner to find out the cause of the treatment, so as not to delay the condition.