The main physical therapy and topical medication for flat warts on the face, systemic medication is generally used for patients with more skin lesions. 1. Physical therapy: flat warts are flat elevated papules, mainly on the face, and can be treated with physical therapy such as freezing, electrocautery, scraping, and lasers are effective treatments. 2. Topical medication: If you don’t want to use physical therapy, you can use topical medication, including retinoic acid cream and fluorouracil ointment. 3. Systematic drug treatment: there is no specific treatment drug, immunomodulators such as interferon and levamisole can be tried.