Potassium permanganate is a strong oxidizing agent, can also be used as a disinfectant and antiseptic drug, after circumcision tether bleeding can be potassium permanganate diluted and used, but generally can not be used directly, so as not to cause corrosive burns or cause severe pain and so on. Potassium permanganate is a kind of disinfectant and antiseptic drug, can be used for acute dermatitis, acute eczema and other skin diseases, but also can be accompanied by secondary infection of the affected area of the wet compresses, cleaning small ulcers and so on. When the patient after circumcision caused by the tether bleeding, the patient can be potassium permanganate diluted for disinfection, usually can not be used directly potassium permanganate, so as not to cause corrosive burns, pain or lead to bleeding aggravation and so on. Patients with bleeding from the tether after circumcision can also use disinfectant drugs such as iodophor under the guidance of the doctor, and clean, clean medical bandages to relieve the symptoms of bleeding.