A wart is a common and contagious skin condition that is a redundant growth caused by a human papillomavirus infection. The wart can be removed through medication, physical therapy, surgical excision and other ways. 1. medication: patients with a small wart can use imiquimod cream and other immunosuppressive and cytotoxic drugs, but also with the use of retinoic acid ointment and other drugs. 2. Physical therapy: through the use of carbon dioxide laser, liquid nitrogen cryotherapy, electrodesiccation, electrocautery and other physical therapy methods can also remove the wart. 3. Surgical excision: patients with a large wart are recommended to have a surgical excision treatment, which directly removes the wart completely. You need to pay attention to local hygiene, to avoid the wound infection. Wart patients need to go to the hospital in a timely manner, under the guidance of the doctor for formal treatment.