Zhongshan Road, which crosses Hangzhou City from north to south, was the main axis of the southern Song Dynasty Lin'an City to the north and south, and has been the central axis of Hangzhou's important urban commercial center and the old city since then. The Southern Song Dynasty Royal Street is a main street laid by Lin'an, the capital of the Southern Song Dynasty. Outside the north gate of Huangcheng and Ningmen (the intersection of Wansongling and Fenghuangshan Road), the south of the Royal Street is the central axis of Lin'an City in the Southern Song Dynasty, which is about 4185 meters long through Chaotianmen (the intersection of Jinshan Road, Zhongshan Road, Zhongshan North Road, Guanqiao, that is, the intersection of Jinguan Bridge to Jinfengqi Road and Wulin Road. It is the special road for the emperor to worship the ancestors in the "Four Meng" (Mengchun, Meng Xia, Meng Qiu, Meng Dong) to Jingling Palace (now the west side of Wulin Road, where the statue of the royal ancestors is worshipped).