After circumcision use potassium permanganate solution to soak, water temperature control at about 40 degrees Celsius can be. Circumcision is mainly circumcision, which is suitable for patients with long foreskin, phimosis, foreskin adhesion, etc. It removes a part of the overgrown foreskin, thus curing the lesion. The two main types of surgery include traditional circumcision and minimally invasive circumcision. Regardless of the type of surgery, healing of the wound after surgery is very critical. Some patients may experience wound infection, in which case the wound can be soaked in potassium permanganate solution under the guidance of a doctor, with the water temperature controlled at about 40 degrees Celsius, not too high. In addition, the soaking time should not be too long, 1-2 minutes can be. It should be noted that in most cases, the wound is basically in good condition and does not need to be soaked in potassium permanganate, but can be cleaned. Therefore, patients should not mix the solution for soaking to prevent wound dehiscence. If the patient is not feeling well, he should consult the doctor for examination and early treatment.