Black mulberry belongs to a kind of mulberry, Chinese medicine nutritional science that mulberry drink water has a certain auxiliary nourishing yin and nourish the blood, the efficacy of Tianjin moistening intestines, but the effect is very limited. Mulberry is also known as mulberry, mulberry, mulberry jujube, taste sweet, sour, cold, to the liver, kidney meridian. Mulberry can be used to relieve dizziness, tinnitus, deafness, premature whitening of hair and insomnia caused by insufficiency of liver and kidney or deficiency of yin and blood, and can also be used to alleviate thirst or thirst caused by heat damage to fluid and constipation caused by dryness of intestines and bowels. People with cold spleen and stomach or loose stools (thin and unformed stools) should not consume mulberry. Compared with medicines, food has limited efficacy, and it is difficult to achieve the therapeutic effect of medicines, so food is generally not used for treating diseases.