The invention belongs to the technical field of a functional food. In order to solve a problem of various common anemia symptoms of tinnitus, headache, insomnia, dreaminess, hypomnesia, attention-deficit disorder, pale complexion, xeroderma, anorexia, abdominal distension, nausea, sleehyperhidrosis, lassitude, lower limb edema and the like of people, which are caused by anemia, the invention provides a natural functional food for calming nerves, nourishing heart and replenishing blood. The natural functional food is prepared by mixing wild jujube flesh, seeds of wild jujube, red dates, black sesame, processed radix polygalae, Chinese angelica, radix paeoniae alba, prepared fleece flower root, longan pulp, black rice, quinoa and spinach according to a proportion. The natural functional foodhas effects of calming nerves, nourishing heart, replenishing blood, nourishing liver and kidney, enriching essence and blood, nourishing yin and blood, nourishing blood for calming the liver and reconciling the blood vessels; after being taken for long time, the natural functional food can nourish blood and liver, ease in to relieve pain, retain yin with astringent, and reduce sweat. The naturalfunctional food promotes generation of red blood cells, reinforces an immunologic function and reduces blood glucose; the natural functional food has an excitation effect on cardiac muscles, can slowdown the heart rate and increases coronary blood flow; the natural functional food is a top-grade product for effectively nourishing heart, replenishing blood and improving and treating anemia.