Abstract: In order to enrich and change Enshi tea tree breed type, provide abundant germplasm resources for breeding of Camellia sinensis,seven varieties of tea tree including Zhongcha 102,Zhongcha 108 and Zhongcha 302 were introduced into Enshi. Because the success of tea tree introduction depends on the environment of introduction and the varieties of tea plant,as a result,this paper studies and analyzes the total annual average temperature,annual average precipitation,solar radiation and other ecological conditions in Enshi,and the tea variety adaptability,resistance,quality characteristics and phenological period,basic morphological characteristics,biochemical components,etc.,were watched and recorded, and the sensory evaluation was conducted.

Key words: tea tree, introduction, Enshi prefecture