Abstract: The characteristics of 367 tea varieties，especially their tree pattern and leaf size，are analyzed from the point of view of biodiversity in this paper The results show that the majority of the Chinese tea varieties are the bush and small arbor with medium size leaf，large size leaf varieties rank the second，arbor varieties with large size leaf rank the third，and bush varieties with small size leaf rank the last．The general regularity of amino acid contents is arborsmall arbor>bush．