Based on the design of the main bridge of Jinghang Canal bridge across the south of Pizhou city of Jiangsu Lian-Xu Expressway, this paper briefly introduces the design process, structural treatment characteristics and unique innovation of the bridge. The successful completion of the bridge has effectively verified the theory and method used in the design, and also accumulated reliable data for the future design of the same type of self-balancing system concrete-filled steel tube tied pole arch bridge. Its beautiful bridge shape and complex high-tech content occupy the leading level of the same type of Bridges in China and even in Asia.