The possible causes of the glans coronalis long white spots: first, foreskin scale, mostly seen in patients with long foreskin or circumcision, the local presence of white dirt attached to the coronal groove around, accompanied by a certain bad smell, can use cotton swabs or use detergent to remove it easily, after removing the need to keep the local clean, dry, if not pay attention to hygiene can recur, it is recommended to circumcision or regular cleaning; The second, penile pearl-like papules, mainly distributed in the glans coronal groove and accompanied by white bud-like protrusions or papilla-like protrusions on both sides of the foreskin tie, volume size, number of long-term so no significant change and is not accompanied by any pain or discharge bleeding and other symptoms, no abnormal feeling when touched, mostly with the local chronic presence of irritating factors or circumcision, circumcision, etc. After circumcision, the pearly papules of the penis in this area can disappear on their own in some patients.