In addition to congenital factors, gray hair is mostly caused by kidney deficiency, blood deficiency, under the guidance of a professional physician to identify and treat, it is possible to change back to black hair. In Chinese medicine, hair is the rest of the blood, kidney and its Hua in the hair, so we believe that blood and kidney deficiency and gray hair has a clear correlation, kidney deficiency will appear when the hair is white, hair color loss of nourishment, this is common in the elderly. For young people, it is more likely to be due to the lack of qi and blood caused by work, stress, and poor rest, and then the early graying of hair occurs. Therefore, the first thing to do is to diagnose and treat the patient, the causes of gray hair mainly include qi and blood insufficiency, kidney deficiency and so on. 1. Insufficient qi and blood: Gray hair caused by insufficient qi and blood can be chosen to nourish the heart and spleen (with nourishing drugs to nourish the heart and spleen) class of drugs, for example: the spleen pills, angelica blood tonic soup, the eight treasures of the soup and other traditional Chinese medicines to nourish the heart and blood to regulate. 2. Kidney deficiency: Chinese medicines can be used to nourish kidney yin, such as Liu Wei Di Huang Wan, Zhi Bai Di Huang Wan, Qi Bao Mei Bei Dan, etc. Other aspects of the regulation is mainly to control the diet, do not eat too greasy food, to change their routine, not often stay up late, but also need to appropriate outdoor exercise. Also, you should adjust your psychological state, do not give yourself too much pressure. The above Chinese medicine should be taken under the guidance of a physician, do not take medication on your own. If the symptoms of white hair, it is recommended to go to the regular hospital, complete the examination, clear diagnosis, follow the doctor to take medication.