Foreskin sensitivity may be caused by glans phimosis, excessive masturbation, long foreskin or phimosis. 1. glans phimosis: glans phimosis may also lead to foreskin sensitivity, under the stimulation of inflammation will make the nerves excited, causing sensitivity under the glans. Especially chronic glans circumcision recurrence, will cause the phenomenon of glans mucosa is more sensitive. 2. Excessive masturbation: when men masturbate too often, it will easily lead to increased sensitivity, causing an increase in the intensity of masturbation to offset the increase in sensitivity, so that the vicious circle will also aggravate the foreskin sensitivity. 3. circumcision or circumcision: circumcision circumcision patients glans can not be normally exposed, less external stimulation, when subjected to external stimulation, it will be easy to produce nerve excitation, resulting in circumcision sensitivity. When men have foreskin sensitivity, they should immediately go to the hospital urology or men’s department to clarify the cause and cooperate with the doctor for treatment. If the combination of circumcision or phimosis, and meet the surgical indications, can be recommended by the doctor for circumcision.