Gray hair much may be caused by physiological reasons or some diseases, such as vitiligo, albinism, chronic wasting disease and so on. Patients can improve the symptom of having a lot of gray hair by resting, supplementing nutrition, using medication, performing surgery, and controlling the primary disease. 1. Physiological reasons: too much stress, too much mental tension or lack of nutrition caused by the increase in gray hair, you can eat more fresh vegetables and fruits to supplement the nutrition, while ensuring enough sleep, relaxation, can improve the phenomenon of increased gray hair. It may also be due to aging caused by physiological gray hair, generally do not need to be treated. 2. Pathologic causes. (1) vitiligo: the disease is an acquired pigment loss skin and mucous membrane disease, mainly manifested as white spots or white hair, can be treated with medication such as capotriol ointment or transplantation surgery. (2) Albinism: this disease is a congenital pigment deficiency disease, the patient’s skin and hair will appear white or pink, the disease currently lacks effective treatment, the main thing is to pay attention to do not long-term exposure to sunlight, to reduce the chance of skin cancer. (3) Chronic consumptive diseases: for example, diabetes, uremia, cirrhosis and other chronic diseases, the patient’s physical condition is generally affected by the disease will deteriorate, due to the disease consumes a large amount of, therefore, some patients will also have the performance of white hair. At this time should follow the doctor’s advice to actively treat the primary disease, the symptoms of gray hair will also be improved. Pathological causes of gray hair should be timely medical consultation, follow the doctor’s prescription medication. In addition, if there is a need, you can also change the color of your hair by dyeing it.