Date (scientific name: Ziziphus zizyphus) buckthorn is a deciduous shrub or small tree plants jujube trees, jujube fruit is ripe. It is native to China and is distributed throughout the north and south of China. The flower is a kind of nectar source plant. Jujube fruit, oblong, yellow when immature, brownish red when mature. It can be eaten fresh or made into dried fruits or candied fruits . Rich in nutrients, rich in iron and vitamins. There are many varieties of jujube with different sizes. The peel and seeds are used for medicinal purposes. The peel can invigorate the spleen, and the seeds can calm the nerves; the pulp can extract vitamin C and make wine; the core shell can be used to make activated carbon.