What is the effect of medlar?

Lycium barbarum is a common traditional Chinese medicine, can be soaked in water to drink, can also be placed in stew inside, Lycium barbarum has the effect of nourishing yin and kidney, can treat kidney yin deficiency. Secondly, Lycium barbarum also has the effect of clearing liver and improving eyesight, can alleviate eye fatigue. In addition, Lycium barbarum can also moisten lungs and cough, enhance immunity.