Pu 'er tea plus Lycium barbarum can have the following functions: First, protect eyes and improve eyesight. Lycium barbarum Pu 'er tea is rich in carotene, vitamin B 1, vitamin B2, vitamin C, calcium, phosphorus and other nutrients needed by eyes. Among them, carotene can be converted into vitamin A under the action of enzymes, which is beneficial to restore and prevent vision loss. Vitamin B 1 and vitamin B2 are important substances to maintain the normal function of optic nerve and retina, and can prevent blurred vision, dry eyes and tears caused by keratitis and optic neuritis. Second, detoxification and beauty, Lycium Pu 'er tea contains a lot of tea polyphenols and beneficial bacteria, which can help decompose toxins, discharge toxins, improve the skin's oxygen absorption capacity and promote skin metabolism. Third, Pu 'er tea and Lycium barbarum can lose weight and reduce blood fat. The beneficial bacteria in Pu 'er Gouqi tea can reduce the absorption of triglycerides and sugar in small intestine and improve the decomposition of waist and abdomen fat by enzymes. Especially drinking Pu 'er Gouqi tea for half an hour after meals can effectively neutralize excess oil and play a role in slimming and lowering blood fat. Fourthly, Lycium barbarum Pu 'er tea also has certain anti-aging effect.