The alternating use of povidone suppositories and interferon is to treat HPV infection of the cervix, also known as human papillomavirus infection. The medication is usually administered on time, in the right amount, and in cycles to help turn the HPV virus negative. In general, a course of treatment is 14 days, a month of medication for a course of treatment, and then three consecutive courses of medication, in half a year after the recheck HPV as long as the HPV turned negative means that the effect is very good. The effect may be more obvious as it will help to increase your resistance to HPV. When using the medication, there will be a certain effect, must be used in accordance with the cycle, and then after the medication as far as possible to assess, that is, after six months to review the HPV.