Boric acid powder is washed out with warm water. Boric acid powder is a topical drug, mainly used for disinfection and antisepsis, and has a therapeutic effect on skin mucous membrane, wound disinfection and infant eczema. After washing with boric acid powder, do not use water to wash it again. After drying naturally, you can apply the drug again to keep the skin clean. In addition to the above mentioned effects, boric acid powder can be used to cleanse the vulva for sterilization and anti-inflammatory effects. When women suffer from trichomoniasis or bacterial vaginitis, the pH of the vagina is alkaline, and washing with boric acid powder can change the pH of the vagina and facilitate the treatment of vaginitis. It is recommended to go to a regular hospital for examination in time and use boric acid powder under the guidance of a doctor, otherwise it may affect the body.