The so-called lack of scarring down there after circumcision refers to the fact that it is not easy to heal with scarring at the tethered area after the operation, which is not normal. It may be due to the local presence of infection, postoperative erection, diabetes and other chronic diseases. 1. Infection: Mostly seen after circumcision, improper sterilization care at the tethered ligament, leading to bacterial invasion and infection. Localized redness, swelling, pain and oozing may exist, and it is not easy to heal by scarring. 2. Postoperative erection: Especially before the incision heals after the operation, frequent penile erection will easily lead to repeated cracks in the incision at the ligament, which is not easy to heal and form scars, thus not easy to heal. 3. Chronic diseases: the more common are diabetes and hypoproteinemia, etc., which can easily cause nutritional disorders at the tethered belt, not easy to form scars and not easy to heal. Circumcision after not scarring healing may also be caused by other factors, it is recommended to go to the regular hospital in time to see a professional physician for further examination, to clarify the cause, and then scientific treatment.