Ningxia is the origin of Lycium barbarum, which has been cultivated for more than 500 years.

2, Lycium barbarum, alias Lycium barbarum, white needle, and rice cloth. Belongs to solanaceae. Fruit, root bark and tender leaves can be used as traditional Chinese medicine. Mainly distributed in Ningxia, Inner Mongolia, Xinjiang and other places. Ningxia is the main producing area, especially the Lycium barbarum produced in Zhongning County of Ningxia has the best quality. It is the "red treasure" at the head of the "Five Treasures of Ningxia".