Introduction to Sanqing Hall: Sanqing Hall is the main hall of Xuanmiao Temple. There is a vertical plaque more than one meter long in the middle of the front of the hall, which reads "Sanqing Hall" in three large block letters. The main hall is nine bays, with double eaves and mountain style, 44 meters wide, 25 meters deep, and a total area of ​​1,100 square meters. It is a wooden structure of the Southern Song Dynasty. It is not only unique in the Jiangnan region, but also only the Hall of Supreme Harmony and the Hall of Supreme Harmony in the Forbidden City in Beijing in the country. The Dacheng Hall in Qufu, Shandong Province can be compared with it.