Jingshan Front Street is the west of the city from Chengmen East to Chaoyangmen, the middle of the East and West Main Roads, west to the north exit of Beichang Street, east to the north exit of Beichizi. Once upon a time, this was the forbidden place of the palace. There was a north door in front of the Jingshan Gate. The door was close to the Shenwu Gate of the Forbidden City. There were also north to the west gate and north to the east gate. The surrounding area was walled, wall and tube river were opposite, and the middle road was very narrow.