The Zhengyangmen Gate was a city gate complex for defensive purposes and with urban management functions during the Ming and Qing dynasties. As the central south gate of the inner city of Beijing in the Ming and Qing dynasties, the Zhengyangmen Gate is the largest and highest ranked city gate among the gates of Inner and outer cities, and has witnessed the traditional way of urban management in ancient China. It is one of the key viewpoints to enjoy a distant view of the Tian'anmen Square Complex and an important part of the landscape in the souther section of Belling Central Axis.