White vinegar cannot cure flat warts. Flat warts are caused by human papilloma virus infection, resulting in benign skin and mucous membrane superfluous organisms, white vinegar is just a kind of food flavoring agent, no antiviral effect, can not treat the body disease, so white vinegar can not cure flat warts. Flat warts are flat, elevated papules that occur in children and adolescents, and are highly prevalent on the face, back of the hands, and forearms, and are round or oval in appearance, with a smooth, hard surface and a normal skin color or light brown color. The warts are chronic, and most of them will go away on their own, but a few patients will have a recurrence of the warts. The actual physical treatment of warts can be done through laser freezing and other physical treatment measures, but also the external use of Vitamin A ointment, uracil ointment and other medications, do not believe in the treatment of bias medicine. The treatment of flat warts need to go to the hospital first check, drugs should be used under the guidance of professional doctors.