Introduction: Small-leaf bitter tea is called Tianshan Lushui as Chinese name. It grows in Guizhou, Yunnan and Sichuan province in China. Big one grow in Hainan or Guizhou, Guangxi province of China. Function: Inside of most of elements of tea, it contains a special ingredient, compound of flavone, which can reduce blood pressure, strengthen toughness of vessel and stop cancer cell grow. Moreover, if you often drink wild bitter tea, you will have fair skin, adjust economy of body, and improve blood circle and lower cholesterin and so on.