Perianal warts are usually referred to as anal warts and are a contagious disease caused by infection with the human papilloma virus. Perianal warts are a number of warts that grow out of the raised skin around the anus, usually referred to as condyloma acuminatum. It is mainly a contagious disease caused by human papilloma virus infection. It is usually caused by factors such as unclean sexual behavior and contact with undesirable objects. Appearance of perianal warts, the common symptoms are the appearance of perianal soft, top, the shape of different reddish papules. In later stages, when the lesions merge, they will form papillary, cauliflower-like superfluous organisms. Patients with overgrowth may also develop large warts, which may be accompanied by abnormal bowel movements and a foreign body sensation in the anal canal. If you have warts around the anus, you should go to the regular hospital, improve the relevant examination, and give standardized treatment, so as not to make mistakes.