Both iodophor and potassium permanganate have antiseptic properties, but they are not the same. Iodophor is a disinfectant, which is a combination of low irritation, high safety, almost painless when wiped on the wound, will form a protective film on the surface of the wound to kill bacteria to protect the wound, it can be widely used in various clinical disinfection work. Potassium permanganate is an inorganic compound and a strong oxidizer, also called potassium manganate, which has strong oxidizing properties and is used as bleach, disinfectant, oxidizer, carbon dioxide gold preparation, etc. High concentrations of potassium permanganate have strong irritation and corrosiveness to the skin and will color the area with use. Low concentration of potassium permanganate is used for soaking, which takes a long time and has low disinfection effect. Iodine volts are recommended for dealing with skin wounds.