广安门为外城唯一向西开的门,与广渠门相对。明代称广宁门,又名彰义门(该门与金中都彰义门在同一轴线上)。清朝道光年间为避清宣宗旻宁之讳改为现名。形制如内城过去建造的城门讲究中轴对称,左安门与右安门位置相对,形制相同,广安门与广渠门也是位置相对,形制相同。直到乾隆三十一年,以该门为南方各省进京的主要通路,故提高城门规格,仿永定门城楼加以改建。广安门成为外城城门中仅次于永定门的城门建制。改建后的广安门城楼形制一如内城,重檐歇山三滴水楼阁式建筑,灰筒瓦绿琉璃瓦剪边顶,面阔三间通宽13.8米;进深一间,通进深6米;高17.6米;楼连城 Guang’anmen is the only door open to the west of the city, opposite to Guangqumen. The Ming Dynasty called Guangning Gate, also known as Changyi Gate (the gate and Jinzhong are Changyin in the same axis). Daoguang Qing Dynasty to avoid the taboo Xuanzong Minning changed its present name. Shaped like the city built in the past, the city gate pay attention to the axis symmetry, the left and right Ann gate position relative, the same shape, Guanganmen and Guangqumen is also the relative position, the same shape. Until the thirty-one years of Qianlong, with the door for the southern provinces into Beijing’s main thoroughfare, it is to enhance the city gate specifications, imitation Yongding Gate watchtower to be rebuilt. Guang’anmen became the gate of the outer city gate, second only to Yongding Gate. Reconstructed Guang’anmen watchtower shape as the inner city, Zhong Yan Xieshan three dripping pavilion-style buildings, gray Tongwa green glazed tile cut edge, Miankuang three through 13.8 meters wide; into a deep, through into the deep 6 meters; high 17.6 Meters; even Citylink