Tiansheng, the holy drink of nature, is also tea; Tiansheng tea, the originator of Tieguanyin. At the end of the Tang Dynasty and the beginning of the Song Dynasty, the holy tree was discovered in Anxi to make tea. In the sixth year of Song and Yuanfeng years (1083), Qingshuiyan transplanted the holy tree and named it Tiansheng Tea, which brought blessings to all directions. The discovery of the oolong production process, named oolong tea, Tiansheng became a symbol of the best natural and ecological tea. In 1741, Emperor Qianlong of the Qing Dynasty gave the tea the name "Iron Goddess of Mercy", and the symbol of Tiansheng still takes root in the hearts of tea drinkers. In 2000, in order to protect the reputation of Tieguanyin, the Anxi County Government successfully registered the "Anxi Tieguanyin" certification trademark. In order to continue to inherit the Tiansheng logo and standardize the grade of tea, folk tea drinkers proposed to continue to use the "Tiansheng" logo of ecological top-quality tea. On September 30, 2009, Anxi Tiansheng Tea Co., Ltd. was established and applied to register "Tiansheng" trademark, successfully presented the 60th National Day gift to the motherland.