Tie Guanyin, a variety of Oolong tea, is one of the top ten famous tea in China. In 2010, it officially stationed in the Expo, becoming the first tea brand of Expo. Tie Guanyin is regarded as a kind of tea that between green tea and black tea, belonging to semi-fermented tea. After brewing, the tea has orchid aroma and tastes mellow and thick. Of course, Tie Guanyin not only has the function of health care, but also it has effect on anti-aging, resist arteriosclerosis, prevention and treatment of sugar water, keeping strong and handsome, prevention and treatment of dental caries, decreasing internal heat, and sober up. Many nutrients and efficacy of ingredients are contained in organic chemistry and inorganic mineral elements of the tea have many benefits for human. Obviously, Tie Guanyin is significantly higher than others.