Tie Guanyin tea quality curly, strong knot, heavy, green belly pedicle was blue dragonfly head shape. Xianrun color, green sand was red titles, glaucous leaves strap, which is an important feature of high-quality Tieguanyin. Iron Goddess of Mercy golden soup, rich and gaudy clear, Yedi hypertrophy bright, shiny surface with silk. Mellow sweet tea brewing fresh, sweet entry with honey flavor; aroma fragrance lasting, the "seven bubble has fragrance" reputation. Recent experimental researches show that Anxitieguanyin aroma components contained in the most abundant species, and in the proportion of low-boiling aroma components significantly greater than with other varieties of oolong tea made from fresh tea leaves. Thus Anxitieguanyin unique aroma makes Anna God drunk a cup of Iron Goddess of Mercy, open the lid immediately fragrant, themselves in an aroma. Produce high-quality Tieguanyin tea must have: ① purebred Tie Guanyin tea varieties; ② tea grown in good soil, climate and environment in and get carefully nurtured; ③ superb plucking techniques. Three indispensable.