Warts are viral skin diseases, caused by human papillomavirus infection, mainly including common warts, flat warts, plantar warts, condyloma acuminatum and so on. The treatment includes topical medication, immunomodulators, physical therapy, and surgical treatment. 1. common warts: medication includes salicylic acid, imiquimod ointment, pingyangmycin. The actual physical methods such as freezing, electrocautery, scraping and lasers are also effective treatments. 2. flat warts: flat warts can occur on the face, limbs and other exposed parts of the skin, resulting in the local appearance of rice or soybean size round, oval papules. You can use imiquimod, salicylic acid, retinoic acid ointment to apply topically, or you can use a laser to cauterize the warts and destroy them. 3. Plantar warts: Plantar warts cause hyperkeratosis, hypervascularization, and thickening of the skin. Topical imiquimod cream can be given for application, which has an immunomodulatory effect. For multiple plantar warts, interferon can be injected into the skin lesions to assist in the treatment. 4. Condyloma acuminatum: Condyloma acuminatum, also known as genital warts, is a sexually transmitted disease, caused by human papillomavirus infection, and can occur in the external genitalia and around the anus. Treatment includes topical medications such as fluorouracil ointment, imiquimod cream, and if necessary, treatment through physical methods such as laser and surgical excision. To summarize, warts are viral skin diseases. When warts appear on the skin, it is recommended to seek help from the dermatology department of the hospital as soon as possible. Medications need to be used as prescribed by the doctor.