The redness of the perianal area after the treatment of perianal warts may be a local reaction after the treatment, generally pay attention to hygiene, without special treatment; it may also be a local infection, you can use antibiotic ointment (erythromycin ointment, fusidic acid ointment) treatment. 1. Local reaction after treatment: for perianal warts, whether using liquid nitrogen freezing, surgery, laser or photodynamic treatment methods, may cause irritation to the local mucous membrane skin, which will cause local swelling, redness, burning sensation. It is recommended that patients observe for a few days, keep the skin of the treatment area clean and hygienic, can be rinsed with saline, no special treatment, while a balanced diet, keep the bowel movement. 2. local infection: after the treatment of perianal acuminous warts, if the skin has redness, swelling, oozing or purulent secretions, you can thoroughly disinfect the local area, apply erythromycin ointment, fusidic acid cream, mupirocin ointment and other antibiotic medication; if necessary, you can be under the guidance of the doctor to take oral sensitivity antibiotic treatment. It is recommended that patients with perianal redness after perianal warts should go to the regular hospital in time to clarify their condition, and use the medication under the guidance of the doctor, not to abuse the medication by themselves.