Drug interactions may occur when Paowankang suppository and interferon are used together, but it is recommended that they can be used alternatively. Baowuikang suppository is a kind of topical proprietary Chinese medicine preparation, which can effectively relieve some gynecological inflammation, such as mycosis vaginalis, senile vaginitis and so on. The drug, Baowuikang suppository, can be evenly distributed in the affected area to allow it to exert its medicinal effect, and is a kind of topical medication for treating gynecological diseases. However, drug interactions may occur when used simultaneously with other medications. Interferon is a western medicine preparation, interferon is mainly used to enhance the resistance of the pubic area, if there is a human papillomavirus infection can be used to regulate the interferon, can promote the human papillomavirus to negative. The two can choose to alternate use, during the treatment prohibit sexual intercourse, pay attention to personal hygiene. The specific dosage should be based on the patient’s condition, under the guidance of the doctor to follow the doctor’s instructions.