Introduction to the Imperial Stele Pavilion: On the east side of the main hall of the Emperor's History and to the north of the East Side Hall, there is a stele pavilion with double eaves and four corners and three bays in width. It is a common shape of the Imperial Stele Pavilion in the Qing Dynasty. Inside the pavilion is a stele built by the emperor in the twelfth year of the Jiaqing reign of the Qing Dynasty (1807). The inscription narrates the construction history, architectural functions and reasons for the reconstruction.