The causes of gray hair in young people include physiological factors, genetic factors and pathological factors such as vitiligo. You need to target the cause, choose medication, physical therapy, life conditioning and other ways to improve the symptoms. 1. Physiological factors: irregular diet, resulting in a lack of nutrients in the body, hair malnutrition, white hair; usually too much pressure, mental tension, etc., will also appear in the phenomenon of white hair. These situations, mainly through the life conditioning to improve, increase nutrition, improve the psychological state, pay more attention to rest, ensure that sleep and so on. 2. genetic factors: the existence of a family history of people, the phenomenon of young people with more white hair, is a congenital endocrine dysfunction, generally does not affect the health of the body, there is no good treatment, can be adjusted through the work and rest, dyeing the hair, etc. to improve the phenomenon of white hair. 3. Pathological factors: vitiligo due to the destruction of skin melanin, resulting in skin due to melanin deficiency and white spots, hair white and other symptoms. Treatment, you can use topical corticosteroid hormone therapy, such as mometasone furoate ointment, etc.; progressive vitiligo, oral glucocorticoid therapy, such as prednisone, etc.; usually avoid sun exposure, ensure nutrition. Suggested that the patient combined with their own situation, such as suspected pathological factors, need to go to the regular hospital in a timely manner, in accordance with the doctor’s instructions to clarify the diagnosis and active treatment. When using medication, strictly comply with the doctor’s prescription medication, not blindly self-medication.