You can’t have cohabitation sex with interferon. Most interferon users have flat warts or condyloma acuminatum, and dermatology prevents recurrence through interferon. Cohabitation makes it easy to transmit the HPV virus to other people. If cohabiting sex occurs, you need to take precautions, such as using condoms, HPV is mainly spread through perianal, oral, and sexual contact. People living with HPV need to separate household items that are easily accessible, such as towels and mugs. Patients using interferon will also have fever, cold, localized soreness, fatigue and other manifestations, so cohabitation is not recommended. Interferon use three to six months after the need for regular review, the use of the same time to strengthen physical exercise, improve the patient’s resistance.