The causes of glans swelling and pain are as follows: 1. Non-infectious factors, such as poor local hygiene or male circumcision, prepuce, the local presence of more foreskin scale or urine scale, long-term chronic stimulation will produce local swelling and pain. The foreskin wraps around the glans and there is a lot of dirt or white dirt on the glans surface. There can be redness and swelling of the glans with redness of the glans or with increased discharge, and in severe cases even changes such as localized erosion and increased exudation can be seen. It is necessary to carry out relevant pathogenic tests to confirm the cause and then give symptomatic medication for treatment. In the case of circumcised or circumcised patients, elective circumcision is required after the redness, swelling and pain are cured.