Introduction to the Zhujie Hall: The Zhujie Hall, also known as the back hall, is the place where Yi Cheng and Gaoyou Prefecture officials received envoys from all walks of life and guests from all directions. It is a relic of the late Ming Dynasty. It has beams, courtyard columns, doors, windows, and fans. , tables and chairs, everything is simple and antique. The center is a place for receiving officials, with the postmaster's house on the left and the postmaster's house on the right. There is also an approval room for delivering documents.