Chinese tea is broad and profound ,and it has a long history.The origin of tea can date back to the ancient time.Tea culture entered it most prosperous period in Tang and Song Dynasty,which had evolved a condition that fashion of drinking tea had extended all over the county and the tea has won the status as national beverage.It is most commonly classified according to it’s processing method.Green tea is not fermented tea which can reduce heart irritability,skin whitening,improve anemia ,prevant cancer,reduce drug side effects and other functions.Black tea is fully fermented tea,which has eliminate edema ,strong heat warm belly and other effects.White tea and yellow tea are partially fermented tea,which has sterilization,anti-oxidation,anti-age,cancer prevention.Oolong tea is semi-fermented tea which has anti-atherogenic, slimming beauty.