The wolfberry tree is a multi-branched shrub plant of the genus Lycium in the family Solanaceae, reaching more than 2 meters in cultivation. Domestic and foreign are distributed.

Lycium barbarum is the treasure of the whole body, Ming Li Shizhen "Compendium of Materia Medica" has recorded its medicinal function. Wolfberry young leaves also known as wolfberry head, edible or for wolfberry tea. Lycium barbarum tree can also be used in gardens for hedge planting, stumps potted plants and used as soil and water conservation shrubs.

Mainly distributed in China, Henan, northeast, Hebei, Shandong ` Shanxi, Shaanxi, Ningxia, Gansu, south, east of Qinghai, Inner Mongolia, Ulatqianqi, and Northwest, Southwest, Central, South and East China provinces and regions; North Korea, Japan, Europe, cultivated or escaped into the wild. Often born on mountain slopes, wasteland, hilly land, saline and alkaline land, roadsides and village houses.