With the growth of age, gray hair in middle age is a normal physiological phenomenon; if it is a pathological phenomenon, it can be caused by congenital insufficiency, deficiency of qi and blood, and exhaustion of kidney essence, etc. Black sesame has the effect of tonifying liver and kidney, benefiting essence and blood. Black sesame has the effect of tonifying the liver and kidney, benefiting the essence and blood, taking black sesame in moderation has a certain therapeutic effect on the gray hair caused by deficiency of the liver and kidney, but it can not be cured. Black sesame is a yin tonic, sweet taste, flat nature, to the liver, kidney, large intestine meridian. Its main effects are to tonify the liver and kidney, benefit the essence and blood, and moisten the dryness of the intestines. It is mainly used for treating soreness and weakness of waist and knees, dizziness, tinnitus, blurred vision and premature whitening of hair caused by deficiency of liver and kidney, essence and blood, and dryness of stool caused by deficiency of blood and fluid, etc. It can also be used as a dietary supplement. Black sesame can also be used as a therapeutic food. With rock sugar in water or with ginger boiled and mashed juice to take, you can moisten the lungs and produce fluids; with mulberry, sugar, rice cooked into a paste to take, you can nourish yin and clear heat, phlegm and turbidity; with the end of the salt with the fried to take, you can nourish the blood and lactation; and walnuts porridge to take, you can nourish the liver and kidneys. Do not take black sesame if you have diarrhea caused by spleen deficiency. If gray hair occurs, please consult a medical professional for treatment.