1, the genus is different: red jujube for jujube family jujube plants dry mature fruit, taste sweet, warm. And black jujube although the name with the word jujube, but does not belong to the jujube class, black jujube belongs to the persimmon family plant junqianzi fruit, sweet taste astringent, flat.

2, the shape is different: red jujube is mostly round or oval, red, slowly turning purple; and black jujube is oval to oblong, blue-black, with a layer of white wax on the surface.

The black jujube is produced in Shandong, Liaoning, Henan, Hebei, Shanxi, Shaanxi, Gansu, Jiangsu, Zhejiang, Anhui, Jiangxi, Hunan, Hubei, Guizhou, Sichuan, Yunnan, Tibet and other provinces and regions of China; it is born in the mountains, slopes, and valleys of the thickets at an altitude of about 500-2300 meters, or in the edge of the forest. It is also found in western Asia, Asia Minor, and southern Europe, and has been domesticated in Mediterranean countries. The ripe fruit is edible and can also be made into persimmon cakes.