Anal warts are caused by the human papilloma virus and occur at the junction of the anal and perianal skin and mucous membranes, and are often transmitted by contact with objects carrying the virus or by sexual contact. A peri-anal warts features a fast growth rate and easy recurrence. The reason for the recurrence is that the immune function of the patient’s body cells is reduced, and the external reason may be that the trauma is not breathable, moist, susceptible to infection and prone to frictional damage when walking and moving. The study also shows that HPV infection and anorectal tumor occurrence, development of the relationship is extremely close. The actual reason for this is the fact that the patient’s cellular immune function is reduced. 2, external reasons may be related to the trauma is not breathable, moist, easy to infect and easy to be frictional damage when walking and activities. The surface can be white, gray, red or bleeding due to the infiltration of secretions, and pus can accumulate between the particles and give off a foul odor. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The three main modes of transmission of perianal condyloma 1, direct sexual contact, including anal sex or non-anal sex, which accounts for one-third of patients. 2, indirect infection, they may be used with some sanitary products or in the sauna, bath, etc. infection related to this type of patients accounted for a third. 3, their own infection, do laser may lead to their own infection, vulva, perineum and other condyloma acuminata, after laser treatment, some people will recur in the perianal area, this kind of patients accounted for a third of all perianal patients.