Red glans with white spots may be caused by pearly penile papules, prepuce inflammation, glansitis and other factors. 1. pearly penile papules: mainly occurs in the coronal edge of the penis and the coronal groove, generally do not need treatment, some patients can be self-healing in middle age, some patients can be lifelong, the main manifestation of the penis has a white, yellow or reddish pearly papules, the tip can have a fluffy material. 2. Circumcision: circumcision is mainly in the area of the foreskin inflammatory reaction, patients mainly have redness in the area of the foreskin, itching, rashes and other symptoms, may be related to men with poor local hygiene, and white spots, may also be the prepuce, daily attention should be paid to open the foreskin for cleaning. 3. Glans: red glans with white spots may also be caused by glans, usually associated with bacterial infection, unclean sex, long foreskin, etc., the patient will have localized redness, swelling, erosion, ulceration and other symptoms. This symptom may also be caused by other factors, it is recommended that patients go to the regular hospital in time, with the help of the doctor to clarify the cause, and actively carry out treatment.