Father-son champions are rare in the world. Since the Song and Jin Dynasties, a father-son Zhuangyuan Square has been built for it. The archway was originally a wooden structure with a small scale. In the fifty-eighth year of Emperor Kangxi of Qing Dynasty (17 19), Jin Yifeng, the satrap of Yanzhou, ordered to rebuild the stone workshop. The archway is a bluestone building, facing south, in the form of a single eaves archway with high middle and low sides. It is 8.5m high and10m wide. The left and right arches are built on stone seats, half a meter high, 3.5 meters long and 3 meters wide in the middle door. Four big characters, such as "father and son are the best", are written on the forehead, which are big and vigorous. There is a couplet on the stone pillars on both sides:

Father and son are the same, passed down from generation to generation in the first Millennium.

This couplet was written by Jin Yifeng, the satrap of Yanzhou in the 58th year of Kangxi. The square was destroyed at the beginning of the Cultural Revolution, and 1997 was rebuilt to restore its original majestic appearance.