The perianal warts are mainly secondary to infection or a history of unclean contact, the patient will show a perianal swelling, accompanied by pain and itching, with a certain degree of contagiousness, after diagnosis should be promptly treated, you can choose to apply carbon dioxide laser for electrodesection, or local excision with an electric knife, or you can choose liquid nitrogen cryotherapy, it is best to conduct pathological examination to obtain support. Postoperatively, attention should be paid to perianal hygiene, with the option of applying warm saline for daily bathing to keep the wound clean and topical application of onychomycin, which has a certain adjuvant effect on the treatment. Hemorrhoid cream or erythromycin ointment can be applied, which to a certain extent can play a role in isolating and preventing infection, or antiviral ointment can be applied and regular review can be performed.