The article discusses the development of underground spaces in Harbin, focusing on underground streets, subways, and civil buildings. It explores how to integrate underground space development with urban construction and its impact on sustainable development. The proposed plan for Harbin includes one circle, one line, and three axes. Lessons from developed countries are used to adapt underground space development for cold regions in China. The study also examines how urban construction can successfully incorporate subways, underground streets, and utility tunnels.