The most important thing is that it is not only a good idea to have a good time, but also a good idea to have a good time. The principle is: through the implantation of flat warts (virus antigen), stimulate the body to produce the corresponding antibodies, the formation of specific immune response against the virus, so that the skin surface of the flat warts tissue by the body’s immune system active spontaneous rejection and fall off, so as to achieve the purpose of treatment, the treatment compared to the traditional passive immune methods more targeted, almost no pain during the operation, no side effects, good results The treatment is more targeted than the traditional passive immunization methods.