Puerh Raw Tea, is a post-fermented tea, strictly speaking, Puerh Raw Tea does not belong to any of the six major types of teas that are planned nowadays, and it is neither black tea, nor black tea or green tea. Relying on the unique ecological environment of Yunnan, Pu'er tea has a rich content material that distinguishes it from other teas, coupled with the production of sun-dried green and other processes, making Pu'er raw tea must be stored for a certain number of years before it is suitable for drinking.

Puerh raw tea refers to the use of Yunnan large-leafed sun-green tea as raw materials, aged in a natural way, without artificial "fermentation", "pile" processing, but after processing, finishing, modifying the shape of a variety of Yunnan tea (cakes, bricks, Tuocha.), Longzhu) of the collective term.

Pu'er is mainly produced in Yunnan, from north to south are Baoshan City, Lincang City, Pu'er City, Xishuangbanna Dai Autonomous Prefecture. Born at an altitude of 1200 ~ 1400 meters subtropical, tropical mountain forests. It is also found in N Vietnam, Thailand, Myanmar, and India. Rare species. Wild tea tree (including cultivated wild tea tree), also known as Pu'er tea, in southern Yunnan and Hainan are distributed.

Yunnan has a tree age of more than 1,800 years of "tea tree king", for the larger plants, although the local measures have been taken to protect, but the plant is still subject to man-made interference, such as not to strengthen the care, there will be the danger of being destroyed to death. With the increase in population in Yunnan, natural forests shrinking dramatically, while each year, "Qingming Festival" before and after the mountain picking wild tea many people, wild tea tree is also decreasing.