Rubbing povidone-iodine after circumcision can play a role in disinfection, which can prevent local infections from occurring to a certain extent. Iodophor is a strong bactericidal effect, can kill a lot of germs, including bacteria, fungi, protozoa, etc. Iodophor is widely used as a disinfectant in medical institutions for the disinfection of the skin, mucous membranes and so on. Wiping the wound with iodophor after circumcision can serve as an antiseptic. Compared with the traditional disinfectant alcohol, the irritation and pain caused by povidone-iodine is mild and easily accepted by patients. Moreover, it is widely used and effective, basically replacing traditional disinfectants such as alcohol and iodine. The concentration of povidone-iodine used for disinfection in surgery is generally 2%, and it is used only for external application, prohibiting oral administration; it is stored at room temperature and protected from light.