Eating black food is good for health. There are many kinds of black food, including black rice, black beans, black dates, mushrooms, laver, black fungus, Nostoc flagelliforme, kelp, lobster sauce, cuttlefish, black-bone chicken, black sesame and so on. Food experts believe that black food not only gives people a simple, strong and exuberant appetite, but also has been proved by clinical practice that it can regulate human physiological function, stimulate endocrine system, promote saliva secretion, facilitate gastrointestinal digestion and enhance hematopoietic function, increase hemoglobin content, nourish skin, beautify hair, and delay aging.