The first step in the treatment of gray hair is to make a clear diagnosis and then give the appropriate treatment for the cause of the disease. The treatment is different depending on the cause of the disease. Gray hair can be caused by nutrient deficiencies, diseases, mental factors, physiological factors and so on. 1. Nutrient deficiencies: Gray hair caused by nutrient deficiencies can be better treated by supplementing the appropriate nutrients. For example, white hair caused by zinc deficiency can be treated with oral medications such as zinc gluconate under the guidance of a doctor. 2. Disease factors: due to various diseases caused by gray hair, through active treatment of the primary disease, after the primary disease improves, gray hair symptoms can be controlled or alleviated. For example, tuberculosis, syphilis and other consumptive diseases may also contribute to gray hair, should be targeted treatment under the guidance of the doctor. 3. Mental factors: due to mental factors caused by gray hair, need to actively adjust the mood or psychological guidance, in order to control the progress of gray hair. 4. Physiological factors: For physiological gray hair, hair coloring can be used to change the hair color. There may be other reasons for gray hair, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy.