Scrotum long white hair can be analyzed from two aspects: physiological factors and pathological factors, if there is a sharp growth, it is recommended to go to the hospital in time for examination and treatment. 1. Physiological factors: (1) Heredity: if there are symptoms of long white hair on the scrotum in the parents or family, when this symptom is passed on to the children, it can be manifested as the symptoms of long white hair on the scrotum. (2) fatigue: when the long-term stress, stay up late and other phenomena, the body fatigue, so that the body is in a state of sub-health, which leads to the emergence of symptoms. 2. Pathological factors: (1) malnutrition: when the long-term irregular diet, so that the body needs the nutrients can not be supplied in a timely manner as well as the lack of micronutrients, causing inflammation of the body, manifested in clinical symptoms. (2) Hair follicle degeneration: when the body has endocrine disorders or sebaceous gland function degeneration, the melanin secreted by the hair follicle decreases, thus making the body hair appear white, manifesting as the symptoms of scrotal white hair. If there are no other uncomfortable symptoms, usually do not have to carry out special treatment, develop good living habits, maintain a good state of mind, if there is a sharp increase, should go to the hospital in time for examination and treatment.