The most commonly used interferon is interferon gel, a box in about 30 yuan, different pharmacies will have some differences in charges, but the cost is basically more stable. Interferon gel is mainly an antiviral-based gynecological drug, mainly used to clear HPV infection, the treatment of condyloma acuminatum, pseudo warts, chronic cervicitis, cervical erosion and other diseases, the general use of about 1-2 courses of treatment, the condition will be significantly relieved. However, for the treatment of human papilloma virus infection, the general course of treatment will be longer, need to use 4-6 courses of treatment. Every night after washing the vulva in the vagina, put an interferon gel, the next morning to take out can be.