Plantar warts are a skin condition caused by human papillomavirus (HPV) infection. It can be treated with topical medications as well as systemic medications. Topical medications: For patients with plantar warts, topical ointments such as retinoic acid ointment and imiquimod ointment are commonly used for treatment. Systemic medications: Some patients may be treated with immunomodulators, such as interferon gel or levamisole. For patients with plantar warts, it is recommended to go to regular hospitals for timely examination and standardized treatment under the guidance of professional doctors. It can also be treated by physical therapy such as liquid nitrogen freezing.