You can use potassium permanganate solution to clean the glans when you have glansitis, and you can also use potassium permanganate for local cleaning if you have a long foreskin or prepuce and a large amount of local foreskin scale. But in the cleaning need to prepare potassium permanganate solution, generally at a ratio of 1:500 can be prepared, so that the concentration is too large to cause local chemical burns and pain. When using potassium permanganate solution to clean the glans, the scope of cleaning should cover the glans, the coronal sulcus and the inner plate of the foreskin in order to achieve thorough cleaning. It is important to remove the surface dirt and secretions and soak it moderately to prevent the glans or foreskin from showing signs of infection. At the same time, if infection has occurred, the process of cleaning and soaking with potassium permanganate solution can play a role in killing pathogenic microorganisms and can play a role in treating foreskin infection or glansitis, but there is no need to use potassium permanganate solution for daily maintenance, you only need to use water to wash it daily.