There are several reasons why young people have more gray hair: 1, hereditary gray hair; 2, young people work under a lot of pressure, long-term late-night, insomnia, including physical kidney deficiency can cause the hair to turn gray. There is no good way to treat gray hair on the drug, the main or habits of life, try to maintain a healthy diet, appropriate physical exercise, keep a relaxed mood, try to stay up less, you can eat appropriate cinnamon, lotus seeds, jujube, etc., these foods have the role of the qi and blood, for the hair blackening or have a certain effect. In addition, you can eat Chinese medicine, such as six flavor Dihuangwan for hair blackening will also have a certain effect.