The construction of sponge cities has been ongoing for nearly a decade, during which we have made significant achievements and important contributions to ecological preservation. However, the process of planning, designing, implementing, operating, and maintaining sponge cities has also revealed numerous issues. This article provides an analysis of the current state of sponge city construction and the main problems that have emerged during the process. It emphasizes that the construction of sponge cities is a gradual and progressive journey, particularly in the current low-carbon context. The article reflects on the future development of sponge cities and provides suggestions for sustainable growth.