Tea is one of the three largest non-alcoholic beverages in the world. /kloc-in the 0/7th century, English poets called tea "the liquid of health, the drink of the soul". Pu 'er tea is a king's demeanor and a unique historical tea in Yunnan. It is highly respected by the world for its unique tea taste, tea quality and powerful health care effect. Pu 'er tea is the only tribute tea used as a national gift, and it is the oldest and uninterrupted royal tribute. Drinking tea can first replenish the water lost by the body, regulate metabolism and maintain the balance of body fluids in the heart, gastrointestinal tract, liver and kidney. Tea is rich in vitamins, minerals, trace elements, amino acids and other active substances, which can supplement the nutrients lost by sweating and maintain the physiological function of high metabolism. China is the birthplace of tea and tea culture. Among them, Pu 'er tea, known as the king of tea, is known as the business card of Yunnan and a model of authentic Yunnan tea. Pu 'er tea is the general name of all kinds of Yunnan pressed tea made by steaming green tea or black tea, including Tuo tea, cake tea, square tea and pressed tea. The high quality of Pu 'er tea is not only reflected in the drinking value such as aroma and taste, but also in its valuable efficacy and health care function. "Brahma Lu Cong Lu" (Chai Calyx, dated AD 1925) said: "Pu 'er tea is warm and fragrant, and can cure all diseases. Steamed and wrapped with bamboo poles, the price is equivalent to that of gold. "Therefore, Pu 'er tea, as a traditional beverage, can not only quench thirst, produce saliva and refresh oneself, but also be regarded as a good health product by overseas Chinese and compatriots in Hong Kong and Macao. Generally speaking, Pu 'er tea has the functions of relieving greasy dirt, helping digestion, warming stomach, resolving phlegm and promoting fluid production, promoting fat metabolism, preventing and treating coronary heart disease, reducing triglyceride, cholesterol and blood uric acid contained in human body, killing cancer cells, resisting mutation, losing weight, resisting aging, lowering blood pressure, reducing blood fat, removing bad breath, preventing dental caries, improving eyesight, resisting radiation, reducing smoke toxicity, sobering up and detoxifying, diminishing inflammation, sterilizing and treating diseases.