A wart on the foot (common wart), mainly caused by infection with human papilloma virus, can be removed by medication, physical therapy and other ways to remove warts. 1. medication: patients can apply salicylic acid ointment, retinoic acid ointment, imiquimod cream and other drugs under the guidance of the doctor for treatment. Or intradermal injection of paxillin, interferon and other drugs. 2. Physical therapy: such as cryotherapy, electrocautery, laser therapy, etc., to remove the skin lesions through the principle of low-temperature freezing and high-temperature burning. The condition of the patient is different, must be in the doctor to confirm the diagnosis, follow the doctor’s instructions for treatment.