People who have a long foreskin can usually turn out the glans, and the corresponding condition has a certain effect on improving the symptoms caused by the long foreskin, especially for the people who have a light foreskin. The main reason why the foreskin is too long is that it is easy to cause the deposition of foreskin scale, and because the glans is less stimulated by friction, it is easy to have too high sensitivity. In daily life, through the maneuver to turn out the glans can reduce the deposition of foreskin scale, and with daily friction can reduce sensitivity, is a kind of self-conditioning for the circumcision. For the circumcision is more serious, resulting in repeated glansitis, seriously affecting the coital status of the crowd, should be hospitalized in a timely manner, under the guidance of the clinician for surgical excision, to avoid affecting the physical condition.