CIN grade 1 is due to the presence of such a report indication when a cervical biopsy is performed after the presence of HPV infection. Usually the report of the cervix indicates the presence of CIN grade 1, CIN grade 2 and CIN grade 3. When CIN1 and CIN2 are benign lesions, they can be treated with vaginal plugs, one pill per night for 7-14 days. You can also use recombinant interferon for vaginal plugs every night or one night apart to help turn the virus negative. In addition to the medication, you should also increase your resistance, such as fitness, running, jumping rope can turn HPV negative, it is recommended to review HPV every three months or six months to make sure that HPV turns negative.