During the application of interferon after cervical conization, it should be forbidden to take a basin bath, sexual life, menstruation, pregnant women are prohibited, once the discomfort needs to consult a doctor in time. Cervical conization can treat local lesions of the cervix, but it can’t promote the conversion of human papillomavirus. The application of interferon after the recovery of trauma after cervical conization can enhance the local resistance of the vagina and promote the conversion of the virus. During the medication period, it is forbidden to take a bath or have intercourse, and it is also forbidden during menstruation and pregnancy. If lower abdominal pain occurs during the medication period, it can be recovered after stopping the medication, if not, you need to go to the hospital as soon as possible. In order to promote the conversion of HPV, in addition to the application of drugs to enhance local resistance, should also exercise, strengthen nutrition, regular work and rest to increase the resistance of the whole body, after stopping the drug need to wear a condom throughout the coitus, in order to avoid the spread of the virus.