Introduction to the old site of the New Fourth Army Office in Gaochun: The New Fourth Army Office in Gaochun did a lot of work for party building in Gaochun County during its stay in Chun. It laid the foundation for the people in the Gaochun area to persist in the long-term war of resistance, and also laid a foundation for the New Fourth Army to march eastward to fight against Japan. A bridge leading to southern Anhui.