Flat warts can not be removed with windex. Flat warts are caused by human papillomavirus (HPV) infection, and should be treated in a timely manner with regular treatment such as medication, physical therapy, etc. There is no scientific basis for the use of windex treatment. Commonly used drugs include topical retinoic acid cream, interferon α-2b gel, 5-fluorouracil ointment, etc., but topical drugs usually need to be used for a longer period of time to be effective. Physical therapy, including liquid nitrogen freezing and laser treatment, is currently the main means of treatment for flat warts. The main components of the wind oil essence is menthol, camphor, etc., with cool, pain, itching, etc., can not be used for the treatment of viral infection caused by the skin disease. Flat warts should be regular treatment as early as possible, the drug needs to be used under the guidance of the doctor.