Circumcision below the superfluous, consider is due to the operation, the doctor on the excision of the excision of the foreskin edge of the removal of the uneven resulting, may be due to in order to reduce the damage to the tether, the tether at the more retained tissue, but also may be the postoperative local edema caused by. 1. Irregular trimming of the edge of the incision: In the process of traditional circumcision, if the doctor removes the excess foreskin, the lower part of the tissue left behind is too much, which will be manifested as an extra piece of flab after the suture is performed. 2. Protection of the ligament: in order to avoid damage to the ligament and thus affect the function of penile erection, so the surgeon will sometimes deliberately retain a portion of the ligament, and some patients will be flabby when they are weak after the operation, and can disappear after erection. 3. Post-operative edema: During the operation, due to the damage to the blood vessels and lymph, so it is easy to appear edema after the operation, and the local edema can be flabby when it is obvious. This situation may also be caused by other factors, it is recommended to go to the regular hospital for examination, in order to clarify the specific conditions of the professional doctor to be treated accordingly.