There are numerous reasons for the white stuff on the glans, which need to be clarified after examination at the hospital: first, it may be foreskin scale, mostly seen in patients with long foreskin or circumcision. In the inner plate of the foreskin at the coronal groove attachment site, you can see the presence of white cheese-like dirt, accompanied by a certain abnormal smell, can use cotton swabs or water to remove it, most usually do not pay attention to personal hygiene caused. Secondly, when fungal glansitis occurs, there can be white things on the glans, it is manifested as patches of dirt distributed on top of the glans, at the same time can be accompanied by glans redness or red spot formation, also visible with small herpes around the red spot, need further fungal examination to determine. Thirdly, the pearly papules of the penis can exist in the coronal groove of the glans or on both sides of the foreskin ties, manifesting as white bud-like protrusions, without pain, secretions, bleeding, without any abnormal sensation, belonging to a benign lesion, also does not require special treatment, and does not have any contagiousness.