It is possible to wash the vulva with povidone-iodine, but it is recommended to use povidone-iodine to wash the vulva when there is a medical indication, for example, after a normal delivery, after a cesarean section, after induced labor, after an abortion, you can use povidone-iodine to wash the vulva, to keep the local area clean, to avoid the infection of pathogenic bacteria. However, in daily life, it is not recommended to wash the vulva with povidone iodine every day, as the vulva has a self-cleaning function, and the vagina also has a self-cleaning function, if you often use povidone iodine to wash, it will destroy the original normal flora, so that the local resistance is reduced. In daily life, it is recommended to use water to wash the vulva, to keep the local clean, and do not destroy the original flora. It is recommended to change underwear frequently in daily life, and wash the underwear should be dried under the sun to play the role of sterilization.