Black sesame is effective for gray hair caused by deficiency of essence and blood. The causes of gray hair are more, may be related to heredity, congenital gray hair is not pathological, drug treatment is not good. If the white hair is caused by the deficiency of essence and blood, taking black sesame is effective. Black sesame, taste sweet, sex flat. It belongs to the liver, kidney, large intestine meridian. It has the effect of tonifying the liver and kidney, benefiting the essence and blood, and moisturizing the intestinal dryness. It can be used for dizziness caused by deficiency of essence and blood, tinnitus and deafness, premature whitening of hair, hair loss after illness, intestinal dryness and constipation. Therefore, black sesame has a certain effect on gray hair caused by deficiency of essence and blood. Chinese medicines should be used under the guidance of a physician and should not be taken blindly on their own. White hair may be caused by other reasons. If the patient suddenly develops a large amount of gray hair, or develops gray hair at a young age, or is accompanied by other symptoms, such as white spots on the skin, it is recommended to go to the hospital in time for treatment.