Production of Hunan tea of historical period can trace back to Han dynasty. Its development is at Tang dynasty and Song dynasty and its prosperity between Qing dynasty end and Min-guo initial stages behind the Opium War(1840-1842). It not only depends on the natural ecological environment that is favor for producing high quality and well-known tea, but also have something to that tea peasant of Hunan can adjust the structure of type of tea and regional overall arrangement in good time according to the constantly changeable market situation and develop and make famous of an article tea. For reg...