Generally speaking, for the tightness of the glans, we can consider that it is caused by the long foreskin and the inflammation of the foreskin and glans. 1. Excessive foreskin: for men with excessive foreskin, the longer foreskin will enclose the glans, so that it can not be exposed, when the foreskin is turned out, the excessively long foreskin will strangle the glans, which will cause a sense of constriction, and in severe cases, it will lead to the incarceration of the foreskin. 2. Hirschsprung’s disease: Men with hirschsprung’s disease, because of inflammation, may cause the swelling of the glans, the glans is larger than the foreskin, it will cause a sense of constriction. For people with the above symptoms, it is recommended to consult a doctor in time for early treatment.