The possible causes of white dots on the glans: First, fungal infection appears white secretions attached to the glans, when the appearance of the glans is visible covered with white dots, and at the same time can be accompanied by local itching, red spot formation, it is recommended to carry out fungal smear examination to exclude the presence of fungal infection. Secondly, if the foreskin is too long or circumcised, the foreskin scale present on the glans can be attached to the glans, manifesting as white dots that can be removed when wiped with a cotton swab, sometimes the attachment is too tight to be easily removed, requiring further examination at the hospital to clarify whether it is foreskin scale. Third, pearly papules of the penis, which can be distributed in the coronal groove of the glans or on both sides of the foreskin tether, manifest as white raised papilla-like dots. Generally not accompanied by local pain symptoms, nor with local discharge or bleeding and other symptoms, can exist for a long time, mostly seen in patients with long foreskin, need to circumcision, some patients can achieve a state of cure, the disease is not contagious, and does not require any special treatment.