The Hall of Imperial Longevity was the place where portraits of emperors and empresses were worshipped in the Qing dynasty.
The Hall of Imperial Longevity is in the north of the inner courtyard standing as the highest-ranked building among the Jingshan Hill building complex. It sits on a sumeru pedestal encircled by a white-marble balustrade. The building is 9 bays wide and 5 bays deep, with a corridor at the front. It has a double-eave, hip roof of yellow glazed tiles.