Vaginal discharge cleanliness lV means cleanliness is IV degree and there is infection. Under normal physiological conditions, the female reproductive system has a natural protective function and is self-purifying. If there is no itching and odor, you can wash it with warm water or gynecological cleansing. If it is itching and odor, you can use vaginal filling with nifurtimox or pessary. You must keep your vulva clean, avoid unclean sex, avoid scratching with your hands, wear breathable and loose underwear, prohibit drinking, smoking or eating spicy and stimulating food, and keep your mind balanced, as fire can also cause infection.