1. Due to historical reasons, Yuzhong District, as the mother city of Chongqing, has a long history, with an area of only 23.24 square kilometers and no industrial development.
2. Geography and humanities. Due to the terrain, it presents a mode of group development, and each strives for its own safety. The population in Yuzhong District is losing, resulting in a relatively low comprehensive index and a relatively smooth development.