It is recommended to go to the hospital for relevant examinations to clarify the possible causes. 1. pearly papules of the penis, mainly distributed in the coronal groove of the glans and on both sides of the foreskin tether, manifest as papilla-like or granular protruding granules, without any pain, without local secretions, without any conscious symptoms. It can exist for a long time without increasing in size or number, and will not spread through sexual contact, and can be left untreated. The particles can gradually disappear after paying attention to personal hygiene or circumcision, and there will be no damage to male reproductive function, nor will it cause infection.