The "Gate Hall of Harmony and Peace" is the southernmost of the main halls, it served originally as the main entrance of the palace, but was later changed into the Hall of Heavenly Kings (Tianwangdian). In the center of the hall stands a statue of the Maitreya Buddha, along the walls statues of the four Heavenly Kings are arranged. There sit two stele pavilions in front of the Gate Hall of Harmony and Peace, which contain the stele of the Yonghe Temple and the stele of the Discourse of Lamas.