Painful application of povidone-iodine after circumcision is generally normal, because povidone-iodine is a disinfectant solution, which has a certain stimulating effect when applied to the wound. It is recommended that post-circumcision patients pay attention to wound care and improve their diet. After circumcision patients use povidone-iodine on the wound pain, generally belong to the normal physiological phenomenon. Because in the clinic belongs to the antiseptic solution, has the effect of disinfection of wounds, patients with povidone-iodine applied to the wound, the patient’s wound is not yet fully healed, may stimulate the patient’s wound, and thus the phenomenon of pain. It is recommended that patients after circumcision ensure that the wound is clean and dry, and should not be exposed to moisture to avoid infection. Patients should pay attention to their diet after the operation, and eat less spicy and stimulating food, such as chili, garlic, ginger and so on. It is normal for patients to experience pain after the circumcision by using iodophor to sterilize the wound, and patients should develop a healthy lifestyle after the operation. Patients should follow the doctor’s instructions and review on time to avoid postoperative complications.