The proper way to wash your lower body with potassium permanganate is to prepare it at a concentration of 1:5000 and then wash your vulva or take a sitz bath. Potassium permanganate is a more commonly used disinfectant and antiseptic and is a topical agent. If a woman has non-specific vulvovaginitis, vulvar eczema, hemorrhoids, etc., she can follow the doctor’s instructions to use potassium permanganate to wash the vulva or sit in a bath, which can alleviate the uncomfortable symptoms. If you use potassium permanganate to wash the vulva or take a bath, you must strictly control the concentration of the drug, generally 1:5000. if the concentration is too low, it may not be able to play the role of disinfection. If the concentration is too high, it may corrode the skin mucosa. When cleaning the vulva, you can use gauze to dip part of the medicine, and then gently apply it to the vulva. If you are treating hemorrhoids, a direct sitz bath will be more effective. If the local burning sensation, redness, swelling and other symptoms occur after using the drug, it may be allergic to the drug, and need to stop using it immediately. The use of drugs, need to strictly follow the doctor’s instructions.