Dongbianmen gatehouse is a single-story small-scale building with a single-eave hill, a gray tile roof, four wooden square doors and no windows. The width of the three rooms is 1 1.2m, the depth of the first room is 5.5m, and the height is 5.2m: the tower is just past the wooden door, and the tower height is12.2m.. The urn is semicircular, with a width of 27.5m from east to west and a length of15.5m from north to south. It is a single-story hard mountain with a single eaves and a gray tile roof. There are wooden doors on the south back, arrow windows on the east, west and north sides, with two layers on each side, four holes on the weak side and two holes on the east and west sides. Three rooms are 9 meters wide, one room is 4.6 meters deep and 4.7 meters high; The center of the platform is a gate, the outer side (north half) is an arched roof, and the inner side (south half) is a wooden square gate; Tower height10.5m.

The southeast turret of Beijing city is the arrow tower in the southeast corner of Beijing inner city in Ming and Qing Dynasties. The original Beijing was divided into inner city and outer city, and the inner city was built earlier, which was rebuilt on the basis of the Yuan Dynasty in the Ming Dynasty. According to the Record of Ming Yingzong, in four years, the gatehouse, moat and bridge gate of Shi Jing were completed. The corner of the city stands on the corner. " The turret was built in the first year of Ming orthodoxy, and it was completed in four years. It has a history of more than 500 years.

The existing Dongbianmen turret is built on a square pedestal protruding from the outer edge of the city wall, with a total height of 29 meters and 144 arrow windows on all sides. There are 20 gold pillars in the turret, with a building area of 793 square meters. Together with the connected south city wall, the total area is about 3654 square meters. After the Republic of China, the southeast turret was no longer fortified.