Soaking Lycium barbarum in a thermos cup is a folk method of self-conditioning. In the shoe factory in Wenzhou, Zhejiang Province, it is often seen that shoemakers fighting in industrial workshops soak Lycium barbarum and American ginseng in moisturizing cups to make up for the massive consumption of physical strength.

Lycium barbarum is a traditional Chinese medicine, which enters the liver meridian and kidney meridian and has the function of tonifying kidney and nourishing liver. It has obvious curative effect on soreness and weakness of waist and knees caused by liver and kidney deficiency. People who are weak and sick go to the clinic for medical treatment, and the prescription prescribed by the doctor is indispensable.

When people reach middle age, they still have to soak Lycium barbarum in a thermos. Under the double oppression of life and work, people soaking in Lycium barbarum is just a method of self-treatment and masturbation.