Yuntaiguan of Cangxi County is located in 18 kilometers southeast to county town with natural Yin and Yang Tai Chi mountain. Scenery is a feast for the eyes. Yuntaiguan is one of Taoism twenty-four governances,?and it is the place where Zhang Dao-lin learned Taoism, alchemy, magic in the end of East Hang Dynasty, now it has 1860 years of history. The initial Yuntai was very simple thatched huts. The front, middle and behind palaces and affiliated buildings were rebuilt in Yongshou years(155—157). In The northern and Southern Dynasties, Yuntaiguan was built based on construction of yuntaizhi.