The concentration of potassium permanganate solution is 1:5000, so it is usually 1 gram of potassium permanganate powder with 5000 milliliters of water, after mixing well, the preparation of potassium permanganate lotion is completed. At the same time in the preparation of potassium permanganate solution should also pay attention to, if the preparation of the concentration is too low, it can not play the role of sterilization, if the preparation of the concentration is too high, it is easy to cause burns or corrosion of the skin. Potassium permanganate lotion through its play a strong oxidizing effect and achieve anti-inflammatory, pain, itching function, in the clinic is mainly used for hemorrhoids, perianal abscess, vulvar ulcers, vulvar erythema and other inflammatory diseases of the treatment, the use of the use of the need to use under the guidance of a doctor, do not and alcohol, iodine vodine and other disinfectants used in combination.