The gynecological use of povidone iodine solution is either swab application or vaginal irrigation, depending on the specific circumstances and under the guidance of the doctor to choose the appropriate use. 1. Cotton swab application: If the vulva is simply itchy and there is no cervicitis or vaginitis, a clean cotton swab can be dipped into an appropriate amount of povidone iodine solution and applied to the affected area. 2. Vaginal irrigation method: cervicitis, vaginitis and other cases requiring vaginal irrigation, you can pour the original solution into the irrigation bottle, add warm boiled water and shake it well for spare, take the sitting position, squatting position or supine position, the irrigation head gently inserted into the vagina, squeeze the bottle can be. Povidone iodine solution may produce skin irritation symptoms and other adverse reactions when used, it should be noted that pregnant and lactating women are prohibited people; in addition, usually pay more attention to personal hygiene, the medicine after rinsing to wash in a timely manner. Povidone iodine should be used under the guidance of a doctor, to avoid unauthorized use of drugs, to prevent the adverse consequences.