The symptoms of anal hyperplasia are as follows: 1. pain at the anus, because the anal canal and the nervous system around the anus are relatively sensitive, once the anal hyperplasia appears, the symptoms of pain may appear, especially when the pain is more intense during the bowel movement. 2. bleeding, usually manifested as blood in the stool and bright red, but the amount of bleeding is not large. 3. change in bowel habits, usually manifested as a relatively thin stool, the number of stools is higher than usual. 4. 4. swelling around the anus, sometimes accompanied by ulceration and pus. 5. prolapse of the swelling in the anus, which will retract automatically if the symptoms are mild, or need to be returned by hand if the symptoms are more severe. If there is an anal growth, it is advisable to go to the hospital for timely examination and treatment, and if necessary, surgical removal.