You can drink wolfberry tea, scented tea, green tea and health tea. Tea containing Cordyceps, Fructus Cannabis and acidic polypeptide is more beneficial to human body. Gouqi tea has the effects of tonifying kidney and liver, moistening lung and improving eyesight, strengthening bones and muscles and improving fatigue. Materia Medica Yan Hui holds that Lycium barbarum can make "invigorating qi, enriching blood, producing Yang Can, nourishing yin and expelling wind and dampness, and achieve perfection." According to the theory of traditional Chinese medicine, its main function is to tonify kidney and produce essence, and essence and blood will fill the marrow. When the bone marrow is full, yin blood will breed and liver blood will automatically replenish.