Zhongning international wolfberry trading center. According to Baidu map, the largest wholesale market of Lycium barbarum in China is located in Zhongning International Lycium barbarum Trading Center in Ningxia Hui Autonomous Region. Lycium barbarum enters the liver meridian and kidney meridian, which has the effect of tonifying the kidney and nourishing the liver, and has a certain conditioning effect on symptoms caused by liver and kidney deficiency, such as soreness of waist and knees, red tongue with little coating, pale complexion, mental fatigue, insomnia and dreaminess, dizziness, tinnitus, nocturnal emission and impotence.