Jujube contains 18 kinds of amino acids, minerals and vitamins needed by human body, especially the content of VC is as high as 380-600mg per 100 grams of fresh fruit. "Compendium of Materia Medica" records: "Jujube is sweet and non-toxic, which can suppress evil spirits, soothe the nerves and tonify the spleen, calm the stomach, dredge nine orifices, help the twelve meridians, tonify menstrual blood, be physically and mentally weak, be shocked by limbs, and be in harmony with other medicines, and be fit for a long time." Jujube contains rutin, which can prevent and treat arteriosclerosis. Cyclic adenosine monophosphate and catechol have special effects on treating hepatitis, nourishing blood, strengthening brain and resisting cancer.