Gray hair is mostly related to age, genetics, long-term emotional disorders, nutrient deficiencies and some diseases such as vitiligo, baldness, pernicious anemia, etc. Mild gray hair generally does not require intervention and can be improved through dietary therapy; however, for severe gray hair, dietary therapy is usually less effective and does not apply to all people. It is recommended to seek medical attention for severe gray hair symptoms. Chinese medicine believes that hair is closely related to blood and kidneys, so dietary therapy is usually based on blood and kidneys, and black sesame seeds can be fried and mixed with sugar. You can also choose to boil brown sugar with water until thick, add fried walnuts and black sesame seeds, mix well and then eat, mostly for patients with gray hair with insomnia and forgetfulness. In addition, patients with gray hair due to malnutrition can eat more black sesame, animal offal, beans, meat, dairy products, fish and shrimp, green vegetables and other foods rich in protein, vitamins and trace elements, which can supplement nutrition and promote nutritional balance, which has a certain effect on improving gray hair. In addition, the treatment of gray hair first need to identify the cause, according to the cause to take the appropriate treatment. For example, if the gray hair is caused by mental and emotional factors, you can promote the recovery of gray hair by adjusting your mindset and relieving psychological stress; if the gray hair is caused by age and genetics, there is no effective treatment yet, so patients need to be psychologically prepared to change the color of their hair by using methods such as hair dyeing. If there is a related disease, you also need to actively treat the original disease, after the original disease is cured, the gray hair has the possibility of recovery.