Growing gray hair may be related to heredity, natural aging, lack of nutritional elements, mental maladies, diseases, etc. Some of the gray hair can be restored, but some are more difficult to restore. It is recommended to standardize the treatment under the guidance of the doctor. 1. Heredity: Hair follicles may have melanin cells that decline prematurely due to genetic factors causing hair to turn gray, hereditary gray hair is usually more difficult to recover. 2. Natural aging: If the growth of gray hair occurs due to natural aging, it usually cannot be restored, which is a normal physiological phenomenon of the human body and does not require special treatment. 3. Lack of nutritional elements: there are some nutritional factors that lead to the lack of gray hair, by supplementing vitamins, copper, iron, zinc and other trace elements, it is possible to recover. 4. Poor mental health: If the gray hair is caused by tension, anxiety, irritability, fatigue, etc., the gray hair can be gradually restored by improving the mental state, maintaining a good mood and getting enough sleep. 5. Disease factors: (1) Western medicine: such as vitiligo, albinism and other causes of white hair, need to target the disease to the cause of the treatment, through reasonable treatment can also be restored. (2) Chinese medicine: general Chinese medicine inside the blood deficiency, wind dryness, blood heat, liver and kidney deficiency (liver and kidney weakness) and other evidence, can also cause patients to produce gray hair, can be adjusted by clearing heat and cool blood or nourish the liver and kidney, etc., the specific drugs to be used by the doctor after identification, but also can be adjusted by the doctor through acupuncture. It is recommended to clarify the cause of gray hair with the help of a doctor and actively cooperate with the treatment to improve it.