Introduction to the Yinxin Stone House: It is located southwest of Baihe Spring and on the right side of the stone path to Yunlu Peak. It is also known as the "Yu Shu Pavilion". The waste stone carvings of this pavilion still exist, which is a huge white marble plaque embedded in the gable wall. It is 0.93 meters wide and 2.88 meters wide. It has four characters "Yinxin Stone House" in regular script engraved in the middle. It is dignified, simple and elegant, with strong writing power. The left side of the plaque is engraved with "Daoguang Yiwei Qiuyue", the right side is engraved with "Yubi", "Prince Shaobao's Minister of War, Liangjiang Governor Tao Shu kindly accepts the respectful copy", and the imperial seal seal "Daoguang's Treasure" is engraved in the upper middle. The surroundings are decorated with patterns of two dragons playing with beads.