A wart on the foot, clinically known as a plantar wart, is usually caused by human papillomavirus infection, and can be treated through daily care, medication, physical therapy and other ways. 1. daily care: need to keep the affected area clean and dry, choose soft and loose shoes and socks, avoid scratching the affected area, to prevent the spread of skin lesions, pay attention to diet, drink more water. 2. Drugs: you can choose imiquimod, retinoic acid, salicylic acid and other drugs under the guidance of the doctor. You can also choose intradermal injection of pingyangmycin, bleomycin, etc. to regulate skin growth. 3. Physical therapy: through liquid nitrogen freezing, so that the local tissue necrosis, shedding, but also through laser therapy or electrocautery, through high temperature cauterization of the affected skin lesions, so that its necrosis, shedding, to achieve the effect of removal. Wart on the foot, need to be under the guidance of the doctor, take the correct method of treatment, appropriate exercise, enhance physical fitness.