The candied dates are green dates. Jujube, an evergreen tree or shrub of Zizyphus in Rhamnaceae, has yellow-gray dense fluff on its young branches and purplish red on its old branches; Leaves alternate, the apex is round, the base is nearly round, the edge is serrate, the surface is dark green, and the back is covered with yellow-white fluff; Flowers yellow-green, dichotomous cymes; Petals oblong spoon-shaped; Stamens are nearly as long as petals; Drupe oblong or spherical, black when ripe; Flowering period is 8-11month; The fruiting period is September-1February. The candied dates are named because they are shaped like Chinese dates and are externally hung with honey syrup. Candied dates are mainly distributed in the northwest, north and northeast of China, as well as in Korea and Russia, and are born in sunny, dry hillsides, hills, hillsides or plains. Jujube likes high temperature, wet and sunny places, is a positive plant, and likes slightly alkaline soil. Sandy soil is the best cultivation medium. Jujube is often propagated by sowing or grafting, and spring is the suitable period. "Compendium of Materia Medica" records candied dates: "Tonifying the middle energizer and invigorating the spleen." The candied dates have the effects of invigorating the middle energizer, nourishing the blood and calming the nerves, and have the auxiliary dietotherapy effect on spleen deficiency, anorexia, fatigue, defecation, and women's dirty dryness. [3] Jujube fruit has good nutritional value. Besides being eaten fresh, it can also be made into dried fruit, preserved fruit, drinks, etc. At the same time, jujube flower has developed nectar glands and is a good nectar source plant. Jujube leaves can be used as livestock feed. Jujube tree has tough wood and fine texture, which can be used to make farm tools, furniture and so on, and has high economic value.