If too much foreskin is removed during circumcision surgery, the possible effects are as follows: first, when erection, the foreskin is too short and causes local pulling or pain, etc. The common site is at the foreskin tether, which is rich in blood vessels and nerves, and the tension in this area is the greatest after erection if it is severed, so if too much is removed and the local residue is too short, it can cause obvious pulling of this area, and serious Patients may even cause the bending of the penis and lead to difficulties in sexual intercourse; second, more circumcision may cause excessive local friction of the penis, resulting in contact ulcers, such as repeated friction between the coronal groove and underwear, underwear, can be manifested as keratinization or the formation of local ulcers and other changes, it takes about 1-3 months to fully achieve the purpose of recovery; third, after excision of the foreskin too much may cause local The majority of patients can reduce the sensitivity of the glans surface after circumcision, such as the removal of too much nerve tissue may cause local numbness, which requires long-term clinical observation.