Gray hair on the temples, may be caused by physiological factors, such as age, etc., but also may be related to pathological factors, such as vitiligo, malnutrition, internal diseases, etc. 1. physiological factors: along with people’s age, the function of melanocytes in the hair follicle decline, the melanin produced by a significant reduction in the phenomenon of long white hair, can be manifested in the sideburns of white hair, which is a normal physiological phenomenon. 2. Pathological factors (1) vitiligo: may be related to genetic factors, neuropsychiatric factors, can lead to an increase in gray hair on the temples, and the body of local skin will appear flaky white spots, the area can gradually increase. (2) malnutrition: some people due to malnutrition, especially the lack of micronutrients in the body, is likely to affect the normal function of the follicle melanin cells, it may cause more gray hair on the temples. (3) internal medicine diseases: gray hair on the temples may be related to certain chronic diseases, such as diabetes, chronic kidney disease, adrenocortical insufficiency, etc., the body’s metabolic disorders may lead to the melanocyte secretion of melanin decrease, in addition to the phenomenon of gray hair on the temples, may also be accompanied by fatigue, urinary frequency, lower limb edema. Gray hair on the temples, if you exclude normal physiological factors, it is recommended to consult a doctor as soon as possible, by the doctor’s guidance for targeted treatment.