20 days after circumcision, when walking around the circumcision tie are painful, may be related to edema or the wound has not completely healed. After 20 days of circumcision, the pain in the area of the prepuce ligament may be due to the localized edema of the ligament after the operation, and the pain is caused by pulling the wound when walking. It is also possible that the wound is not completely healed, the wound is infected with inflammation, the inflammatory reaction caused by the irritating pain performance. Patients can use povidone-iodine to carry out local disinfection, to avoid infection in the prepuce tie area. Daily diet should be light, do not recommend the intake of spicy stimulating food, pay attention to rest, reduce the friction on the penis. If the wound appears red, swollen, pain increases, should promptly seek medical attention, follow the doctor’s instructions for further examination, with the help of the doctor for targeted treatment or therapy.