There are many reasons that can lead to white hair on male genitals, including vitamin deficiency, systemic diseases, vitiligo, albinism or mental factors. Certain diseases can lead to a lack of melanin in the local skin, and can also lead to local skin malnutrition, which can cause the hairs to lose nutritional support and turn white. In addition, the patient’s mental stress, or due to old age and other reasons, can also lead to male patients with white hair on the genitals, the patient’s gradual increase in age will lead to the phenomenon of aging of the body, including hair, beard, eyebrow hair, armpit hair, as well as genital hair on the pubic hair will gradually become white, which is a normal physiological phenomenon. The above are the specific reasons why patients have white hair on the genitals, it is recommended that patients should analyze the actual situation against their own, if it is not due to physiological reasons, they should go to the regular hospital for examination, a clear diagnosis.