Hair white fast may be genetic, aging, mental factors, dietary factors and other aspects of the cause, need to be specifically analyzed. 1. Heredity: some people have hereditary white hair in the family, white hair will appear when the patient is very young, this situation is not a disease, there will be no physical damage, no need for treatment; but if the patient is accompanied by other symptoms, such as hypothyroidism, etc., it is recommended to standardize the treatment in a timely manner. 2. Aging: With the increase of age, the function of melanocytes in the hair follicle declines, so the hair will gradually turn gray. And when the body’s physical condition is poor, the aging speed of the human body will accelerate, which will accelerate the speed of hair whitening. 3. Mental factors: some people often feel nervous, stress or lack of rest, resulting in a variety of psychosomatic diseases, so that the follicle melanocyte function gradually decline, will lead to hair whitening faster. 4. Dietary factors: when the patient’s diet is unhealthy, lack of certain trace elements, etc., these trace elements are essential elements for the metabolism of melanocytes, the lack of which may affect the function of the follicle melanocytes, leading to hair whitening. Hair white fast may also be caused by certain diseases, such as vitiligo, etc. It is recommended that patients closely observe their own situation, and if there are other adverse symptoms should go to the hospital in a timely manner, for formal treatment.