Whether or not a pregnant woman can use potassium permanganate sitz bath mainly depends on the specific physical condition of the pregnant woman. If pregnant women do not have any discomfort symptoms, they can not use potassium permanganate to wash or sit in the bath, potassium permanganate is an acidic substance, after using it, it may destroy the normal environment of the vaginal flora, leading to dysfunction of the flora environment, which may induce vaginal inflammation and infection. If pregnant women have vaginal inflammation caused by bacterial or trichomonas infection or hemorrhoids, they can use potassium permanganate sitz bath under doctor’s guidance, which can play the role of antibacterial and antiseptic, and improve the treatment of vaginitis and hemorrhoids. When using potassium permanganate sitz bath, you need to pay attention to control the ratio of the solution, temperature and time, to prevent the concentration of too high corrosion of the skin or water temperature is too high scalding the skin.