Lycium barbarum is sweet and flat. It mainly belongs to liver, kidney and lung meridians. Ganping, moistening and promoting fluid production, can replenish essence, marrow and yang when entering the kidney; Walking the liver can enrich blood and improve eyesight; Return lung to moisten lung and relieve cough. Diseases caused by liver and kidney deficiency and lung and kidney yin deficiency can be applied. It is a good medicine for nourishing yin and strengthening yang, benefiting essence and enriching blood. Its chemical components mainly include carotene, thiamine, riboflavin, nicotinic acid, ascorbic acid, β-sitosterol, linoleic acid, zeaxanthin, betaine, acid lycopene ... and trace elements. Modern research reports that Lycium barbarum has the following pharmacological effects: 1, anti-aging: 43 elderly volunteers with no obvious diseases took orally 50 grams of Lycium barbarum every day, and took blood intravenously after 10. The results show that Lycium barbarum can reverse some objective indexes reflecting the functional state of the body in the direction of rejuvenation, thus verifying the so-called effects of nourishing liver and kidney, nourishing essence and blood, strengthening tendons and bones, strengthening body constitution and prolonging life. 2. Anti-cancer effect: Lycium barbarum and Lycium barbarum leaves have obvious inhibitory effect on human breast cancer cell Kato-ⅲ, and its fruit stalk has inhibitory effect on human cervical cancer Hela cell. The inhibition rate of Lycium barbarum on S 180 of mice was 42%. 3. Hypolipidemic and hepatoprotective effects: Experiments show that Lycium barbarum can reduce cholesterol in blood of rats and has anti-atherosclerosis effect on rabbits. 4. Growth promotion: The betaine contained in Lycium barbarum can obviously increase the weight of chicks and the egg production of hens when added to feed. 5. Hematopoietic function: Taking Lycium barbarum decoction every day can promote the hematopoietic function of normal mice. 6. Enhance nonspecific immunity: Mice fed with Lycium barbarum water extract or intramuscular injection of alcohol extract can enhance the phagocytosis of Indian ink by reticuloendothelial system. Shenqi ointment made from the extract of Radix Codonopsis and Fructus Lycii can also significantly enhance the phagocytosis of peritoneal macrophages in mice. 7. Hypoglycemic effect: Ningxia Lycium barbarum extract can significantly and continuously reduce blood sugar in rats and increase glucose tolerance. 8. Estrogen-like effect: it can promote uterus weight gain in ovariectomized mice and mature or immature mice. There is no specific harm yet, but one thing is definitely not to drink too much, and everything should be measured!