Boys have small white spots in their private parts, considering that there are small white spots on the genitals. If it is penile pearly papules, no special treatment is needed; if it is glans, antibiotic ointment treatment should be chosen according to the infection-causing bacteria; if it is warts, they can be removed by topical medication, physical therapy and other measures. 1. Penile pearly papules: the etiology is unknown, may be related to local friction and other factors, will cause the glans coronal groove edge of the transparent color small particles, no pain and itching sensation, usually do not need special treatment. 2. glans: external pathogenic bacterial infection caused by glans inflammatory reaction, may also lead to local skin with small white spots pain or itching symptoms. Bacterial infections can use erythromycin ointment, mupirocin ointment; trichomonas infections can use metronidazole ointment, candida infections can use topical clotrimazole cream. 3. warts: human papilloma virus infection caused by sexually transmitted diseases, may cause the genitals around the appearance of protruding skin flora, early may also be manifested in the appearance of small white spots, can be used externally tincture of onychomycetin, imiquimod cream and other medications, but also through the laser, freezing and other physical treatment measures. Small white spots on the genitals are recommended to first go to the hospital for examination to clarify the cause of the disease, all drugs need to be used under the guidance of a professional doctor.