Abstract:The main biochemical components of three greentea breeds are analyzed about three tea plantations in Rizhao teaplanting areas, and comparison was carried out with Zhejiang greentea as well as Fujian oolong tea. The results turned out that according to comparison of tea breeds, the quality of Jiukeng breed is the best, and the next is Fudingdabai, while Huangshanquntea is poorest of all. Still and all, the total quality of Rizhao greentea is superior to the southern tea.