Gray hair can be eaten such as mulberry, black sesame and other medicinal food, but food therapy can not be used as a treatment. Mulberry has the effect of nourishing yin and tonifying blood (nourishing blood in the body), generating fluids and moisturizing dryness; black sesame has the effect of tonifying the liver and kidney, benefiting the essence and blood, and moisturizing dryness of the intestines. 1. Mulberry: sweet, sour and cold in nature, belonging to the heart, liver and kidney meridians, clinically used for liver and kidney yin deficiency (deficiency of yin in the liver and kidneys), dizziness, tinnitus, palpitations (rapid heartbeat, often accompanied by panic attacks), insomnia, premature whitening of the beard and hair, internal heat and thirst (internal fever accompanied by symptoms such as overeating and excessive urination), and intestinal dryness and constipation. Caution should be taken when using the product for loose stools. 2. Black sesame: sweet, flat, to the liver, kidneys, large intestine meridian, clinical often used for blood deficiency, dizziness, tinnitus, deafness, premature whitening of the beard, hair loss, constipation after disease, intestinal dryness. There are many reasons for the appearance of white hair, in addition to genetic factors, natural aging may also have other organic or functional lesions, it is recommended that patients seek medical attention in a timely manner, so as not to delay the condition.