The first is to remove the warts visible to the naked eye. The most common method is to remove the warts visible to the naked eye with topical retinoic acid ointment, interferon ointment or with laser or liquid nitrogen freezing. The second, combined with thymidine enteric capsules, transfer factor capsules to improve resistance. Third, photodynamic therapy. The fourth, in life to pay attention to the regularity of life, do not drink alcohol, eat less spicy stimulating food, flat warts eradication is more difficult, mainly in the drug treatment and the usual habits of life.