Introduction to the main hall: In addition to the imperial stele, Lingji Palace also has a main hall that was rebuilt during the Republic of China. The main hall is dedicated to the two gods Xu Zhizheng and Xu Zhi'e, and is dedicated to his father Xu Wen, his mother Tian, ​​and the two gods. This phenomenon of father and son and the whole family enjoying incense together is rare in the history of Taoism.