Iodine povidone has no direct role in promoting titanium nail detachment, it is conducive to reducing local inflammation and relieving local congestion and swelling inflammatory reaction, and the inflammation relief is conducive to titanium nail detachment. Usually, after male circumcision, the wound will be fixed with titanium nails, and after the wound heals, the titanium nails can fall off by themselves. During the recovery process of the surgery, it is necessary to use iodine povidone to disinfect, iodine povidone can make the local inflammation reduce, edema relief, which is conducive to the titanium nail off. If the local inflammation and edema, and the edema is more serious, is not conducive to titanium nails off, in addition, is not conducive to wound healing. After circumcision should follow the doctor’s instructions, regular povidone-iodine disinfection, dressing change, so as to avoid wound infection, edema, is not conducive to physical recovery.