The redness of the scrotum one week after circumcision may be caused by the stimulation of disinfectant, or it may be caused by the infection of the scrotal skin. After circumcision to routinely disinfect the wound, the scrotum area is more downward, disinfectant is easy to flow here, stimulation of the scrotum resulting in redness, can be accompanied by redness, swelling and pain of the scrotal skin. In addition, after circumcision due to 2 to 3 days can not take a shower, if the scrotum area at this time moisture sweating lead to breeding bacteria, can also cause scrotal skin redness, swelling, pain. Redness of the scrotum caused by iodine-vapor irritation can return to normal about a week after discontinuing the antiseptic solution. Infections caused by factors, can be in the doctor’s guidance of topical application of erythromycin ointment, mupirocin ointment treatment, but also to maintain local cleanliness and hygiene, ventilation and dryness.