Introduction to the Yinxin Stone House: The Yinxin Stone House is a stone monument located in the southeast corner of the courtyard of Pingyuan Tower. The stone monument stands on a rectangular flower bed planted with azaleas, hypericum and other flowers. It has five levels facing west. steps. Inlaid on the west side of the stele are the four large red characters "Yinxin Stone House", which are the imperial pens given to Tao Shu, the Governor of Liangjiang and the Salt Administrator of Lianghuai, by Xuanzong Minning in the 15th year of Daoguang's reign in the Qing Dynasty (1835).