There are small bumps in the coronal groove of the glans, possible causes: 1, penile pearl rash: distributed in the coronal groove of the glans and both sides of the foreskin tether, manifested as soft, fleshy bud-like protrusions, soft texture, without any pain, no local discharge, no bleeding, no abnormal smell, etc.. The surface is not smooth, with localized discharge, and with abnormal odor when combined with infection. Local excision is required, and pathological diagnosis of condyloma acuminatum requires antiviral treatment. It can be transmitted through sexual contact and sexual intercourse is contraindicated during treatment.