There is redundancy in the anus, consider the following: 1, may be suffering from mixed hemorrhoids, this redundancy may be internal hemorrhoids in the stool, was squeezed out of the anus outside or stuck in the anus. External hemorrhoids can sometimes appear as a flabby type of swelling of the skin, especially varicose veins type hemorrhoids are most common. In the hemorrhoids severe may also appear enlarged, congestion and pain. 2, may be anal fissure, mostly due to the stool is too hard and dry, in the discharge of the time to make the skin of the anus and lead to tearing. The main symptoms of anal fissure, bleeding, pain and other symptoms. 3, may be anal polyps, this situation occurs in the lower end of the rectum, with the stool and out of the anus outside the anus will be automatically retracted. 4, there may be anal papilloma, anal fistula and other conditions, it is best to go to the hospital in a timely manner.