The underground Great Wall of Beijing, also known as the underground palace of Ming City Wall Ruins, is located in the underground south of Di 'anmenwai Street, west of Jiaodaokou South Street, north of Chongwenmenwai Street and east of Xizhaosi Street in Dongcheng District, Beijing. This used to be the location of the East Wall of Beijing in the Ming Dynasty. Later, the city wall was destroyed, leaving a Ming city wall site with a length of about 1 km and a width of about 1.5 m to 2.5 m ... There are underground palaces and other relics under the wall.

In 202 1 year, the Great Underground Wall in Beijing was rebuilt and opened to the outside world. Visitors can make an appointment to visit and learn about the historical and cultural changes in Beijing.