Potassium permanganate cleaning of the vulva can treat the following diseases: first, vaginitis, because potassium permanganate is a strong oxidizing chemical agent that can destroy the cell wall of bacteria through redox, thus making the bacteria unable to fit into their original living environment, resulting in the inability to carry out DNA replication, which in turn affects the synthesis of proteins and other substances thus causing the bacteria to lyse and die. Secondly, it can treat vulvovaginitis, because women’s vagina and vulva will have a large number of parasitic bacteria, such as yeast, lactobacillus, E. coli, etc.. The resistance of these bacteria is relatively weak and cannot withstand the strong oxidizing properties of potassium permanganate, so washing the vulva with potassium permanganate can easily kill these bacteria and thus treat vulvodynia. Third, potassium permanganate can also treat vulvar itching, also using strong oxidation to inhibit the reproductive growth of bacteria, thus reducing the local skin irritation and inflammatory response.