Plantar warts, also known as common warts, occur on the soles of the feet and usually start as tiny shiny pimples that gradually increase in size to the size of a soybean or larger. Warts that are larger than one centimeter are generally considered large. The actual metatarsal warts are caused by the human papilloma virus infection of the skin redundancy, due to pressure and the formation of yellowish or brownish yellow callus-like plaque or flat papule, the surface is rough, the boundary is clear, the edge of around the slightly high keratin ring, after removing the keratin, underneath the loose keratin soft core, you can see the capillary rupture bleeding, and the formation of the small black spots, conscious of the pain, but also can not have any symptom. It is recommended to go to the hospital in time for the treatment of plantar warts, which can be removed by freezing, electrocautery, topical medication (fluorouracil cream, imiquimod cream) or surgery and other measures. Specific medications should be administered under medical supervision.