The main principles of the treatment of warts are 3: ① direct destruction and removal of warts tissue, the methods used are topical therapies such as topical drug therapy, or the use of cryotherapy, laser therapy and other physical therapy; Shandong Province Qianfo Mountain Hospital Obstetrics and Gynecology Lv Hongtao ② repeated use of drugs and other coated warts damage and damage to the epidermis, so that the epidermis of the HPV antigen exposed to the immune system within the dermis, so as to establish and