Skin threads and staples do not fall off after one month of circumcision, which may be related to normal phenomenon, poor recovery, suture staples stuck in the flesh and other conditions. 1. Normal phenomenon: the skin thread used for suture can be divided into absorbable and non-absorbable, generally in about 10 to 30 days, the suture can be self-absorbed or fall off on its own, and some patients may delay the time of falling off; for the staple, a small number of patients may need about two months for the staple to fall off. 2. Poor recovery: If masturbation or strenuous exercise during the recovery process, it may lead to wound cracking or infection, affecting the normal recovery time. Therefore, after one month, the staple and the skin line cannot come off yet. 3. Suture nail stuck in the meat: If in the recovery process, the wound site granulation tissue abnormal proliferation, may be the suture nail stuck in the meat, resulting in the suture nail can not be dislodged. Circumcision one month after the skin line and the nail does not fall off may also be caused by other factors, it is recommended that patients with this symptom go to the regular hospital in a timely manner to seek medical treatment by a professional doctor to deal with the specific situation, do not blindly deal with their own.