Small white spots on the glans may be caused by poor hygiene, penile pearly papules, circumcision and glansitis. 1. Poor hygiene: men do not wash the glans area for a long time, there may be foreskin scale, it will make the local presence of small white spots, usually no other clinical symptoms, can be cleaned with water. 2. Penile pearly papules: a benign lesion, can make the coronal groove of the penis and glans area appear white particles, there is no self-conscious symptoms, generally do not need special treatment. 3. circumcision: the probability of appearing in the group of circumcision and circumcision male group is higher, after the aggravation of the infection, it will make the local existence of white inflammatory material or epidermal peeling, can make the glans have small white spots, accompanied by the glans itching, tingling, redness and other symptoms. Small white spots on the glans, and the existence of itching and stinging and other abnormal symptoms, may be the existence of disease factors, should be timely medical examination and treatment.