Pu 'er tea belongs to black tea, so it is named because its origin once belonged to Pu 'er Prefecture (now Pu 'er City) in Yunnan. At present, it generally refers to the tea produced in Pu 'er tea area, which is loose tea and pressed tea made by fermentation of Yunnan big leaf sun-dried tea recognized in Pu 'er tea area. The appearance color is brownish red, the inner soup color is rich, the aroma is unique and mellow, the taste is mellow and sweet, and the leaf color is brownish red. There are two kinds of tea: natural fermentation of raw tea and artificial ripening of cooked tea. "The older you get, the more fragrant you get" is recognized as the biggest feature that distinguishes Pu 'er tea from other teas. "The fragrance of Chen Jiu and You Lan will last for thousands of years.

Pu 'er tea has the effects of warming stomach, reducing weight, reducing blood fat, preventing arteriosclerosis, preventing coronary heart disease, lowering blood pressure, resisting aging, resisting cancer, lowering blood sugar and relieving alcoholism. It also has the effects of clearing away heat, relieving summer-heat, detoxicating, promoting digestion, relieving fatigue, inducing diuresis, relaxing bowels, eliminating phlegm and expelling wind, relieving exterior syndrome, relieving cough, promoting fluid production and benefiting qi, and prolonging life. Pu 'er tea is a kind of tea with the highest content of tea polyphenols among all teas. Tea polyphenols have been studied to beautify the skin, increase the antioxidant level of the skin, and directly absorb ultraviolet rays, which is an effective skin protectant. Tea polyphenols contain a large number of hydrophilic groups, which can easily absorb moisture in the air and maintain the moisture content of the skin. Tea polyphenols can also whiten skin and eliminate skin spots.

The research conclusion of modern medicine on the efficacy of Pu 'er tea is even more exaggerated, that is, Pu 'er tea has more than 20 functions, such as warming stomach, reducing weight, reducing blood fat, preventing arteriosclerosis, preventing coronary heart disease, lowering blood pressure, resisting aging, anticancer, lowering blood sugar, inhibiting bacteria and diminishing inflammation, reducing smoke poison, reducing heavy metal toxicity, preventing dental caries, improving eyesight, helping digestion, resisting poison, preventing constipation and relieving alcoholism, among which warming stomach and reducing weight.

Pu 'er is mainly produced in Menghai, Mengla, Pu 'er, Gengma, Cangyuan, Shuangjiang, Lincang, Yuanjiang, Jingdong, Dali, Pingbian, Hekou, Maguan, Malipo, Wenshan, Xichou, Guangnan and Xishuangbanna, followed by Panxian and Rongjiang in Guizhou, Fusui in Guangxi, Zhaoping in Fujian and Ruyuan in Guangdong.

The famous tea mountain and stockade of Pu 'er tea;

Yi Wu, Youle, Brown, Banzhang, Nannuo, Mengsong, Jingmai, Banwai, Jinggu, Qianjiazhai, Zhenyuan, Wuliangshan and Mengku.