Common warts are benign skin growths caused by human papillomavirus infection. It can be eliminated on its own, as well as through physical therapy, topical medication, and systemic medication. 1. Self-expression: common warts have a certain degree of self-limitation, 5 years of natural clearance rate of up to 90%. 2. Physical therapy: you can remove warts through low-temperature freezing, or high-temperature laser, as well as electrocautery and other physical therapy measures. 3. topical medication: commonly used medications include retinoic acid ointment, imiquimod cream, phthalidin cream, and so on. 4. systematic use of drugs: at present there is no exact anti-human papilloma virus drugs, can be through the immune regulator for auxiliary treatment, such as interferon, thymus peptide, levamisole and so on.