Sweet tea leaves（Rubus Suavissmus S，Lee） is a new plant belonging to the rose family and specially growing in Guangsi province. Recently the researchers find that Sweet tea leaves contains a lot of chemical ingredients such as Flavone、Polyphenol、Sweetness. Its sweet degree is 500 times than the sugars′And It has also a supplementary effect in care of diabetes, obesity and high blood preasure. Some people in Japan have had an irritability against pollen. Sweet tea leaveswill give a good treatment of diseases caused by pollen irritability,Laryngitis and nasitis. Due to adopting green agriculture plant and no chemical fertilizer used. The quality of product is surely superior.