It was founded in 1625 and is the place where the emperor held the "Great Ceremony" and the office of the Eight Banners Minister. Dazheng Temple is an octagonal heavy-duty building with a yellow glazed tile and green trimming, 16 multicoloured glazed ridges, large wooden frame structure, with Mortise and tenon joint, flying roof arch, colour painting and dragon plate, which is the traditional architectural form of the Han Dynasty. Additionally, the decoration of Cintamani and the Sanskrit ceiling add the feature of the religious and ethnic minority architecture style. The layout of the DazhengHall and the Shiwang Pavilion constitute a complete group of buildings in the East Section. Daqing Gate(), Chongzheng Hall(), Fenghuang Building(), Qingning Palace(), etc., it was built from 1627 to 1635. It was the place where the emperor carried out political activities and the living palace of the Royal Intermarriage wives. The most representative building of the middle section is the Fenghuang Building, a palace which was built on the 4-meter-tall blue-brick platform, as the place of the emperor holding banquets and Sightseeing point. It opens in the east, the palace in Fenghuang Building is connected with religious rituals, and the room in the west is surrounded by Kang bed-stove, which uses as a way to keep warm in Northern part of China, and the chimney is located at the back, which is an architectural feature of the Manchu People. Stage(), Jiayintang(), Wenshangge() and Yangxizhai() were built in 1782. When the emperor of Qing dynasty "East Tour" to Shengjing (Shenyang), It was the place reading books, watching dramas and room of storing "Siku Quanshu". The entire architectural design and layout reflect the emperor's so-called "dignity" and strict feudal hierarchy. Under the social conditions of the time, the feudal rulers built palaces of this size, which brought great suffering and disaster to the working people, drove thousands of craftsmen and peasants, working day and night. Every temple in the Forbidden City, every brick and tile, every stone and wood, condenses the wisdom and blood of the working people. The manpower and material resources of building this palace cannot be counted. In Mukden Palace, only the roof is worth 680,000 Tael, which is equivalent to the annual ration of 450,000 poor peasants.