Zhengyi Temple is the ancestral court of Taoism here. In the mid Eastern Han Dynasty, Zhang Daoling, the pioneering celestial master, led his disciples to Zhaoji in Yunjin Mountain to practice alchemy for the empyreal elixir. “At the time when it was done, dragon and tiger came out.” And the mountain was renamed “Longhu (dragon and tiger) Mountain”. When Zhang Sheng, celestial master of the 4th generation came back to Longhu Mountain, he built Zhengyi Altar here and ascended to preach his ideas and to transmit his Taoist practice every year at the three Yuan Festivals, attracting cenobites from all over the country, forming a “hustle and bustle” prosperity of Taoist learning and practice. With the time going on, “Tianshi Temple” has been repaired several times and its name has been changed many times and into “Zhengyi Temple” since the Jiajing period of the Ming Dynasty. The present “Zhengyi Temple” was rebuilt at the original site according to the architectural style of the Song Dynasty, including the Seven Star Pond, the Main Gate, Yimen, Yuantan Hall, Yuhuang Hall, Alchemy Hall, and the corridor, etc. With grey tiles and white walls, the whole complex looks simple and elegant, majestic and lofty.