Why there are white particles under the glans

White particles under the glans penis can be considered as the cause of pearl rash or sexually transmitted diseases, as follows: 1. Pearl rash: it is a normal physiological change. For patients with redundant prepuce, repeated severe stimulation leads to granular changes in local mucosal hyperplasia, which generally requires no special treatment; 2. Sexually transmitted diseases: if the morphology changes in a short period of time, the number increases, and even turns red and painful, it should be checked. If the patient has dirty sex life, he or she should also be alert to the occurrence of sexually transmitted diseases, such as condyloma acuminatum and genital warts. These conditions need to be combined with the medical history, checked and diagnosed, and then given symptomatic treatment according to the inspection results.