The Underground Space Professional Committee of the China Urban Science Research Society is a directly affiliated branch of the China Urban Science Research Society. It was initiated in Beijing in 2023 by JSTI Group Co., Ltd. and Beijing Jiaotong University, with Liang Wenhao, a member of the Chinese Academy of Engineering, serving as the chairperson. The committee brings together renowned experts, scholars, and leading enterprises in the field of underground space from both domestic and international backgrounds. It advocates for leveraging the critical role of underground space in urban science, encourages interdisciplinary integration, and promotes exchanges, cooperation, scientific research, and technological innovation in the field of underground space both in China and internationally. Currently, the committee has nearly 30 member organizations from across the country and approximately 200 top national expert members. It operates six working groups: the Education and Popularization Working Group, the Green Underground Space and Equipment Working Group, the Planning and Policy Research Working Group, the Safety and Disaster Prevention Working Group, the Station-City Integration and TOD Working Group, and the Youth Working Group, which collectively drive the development of the underground space industry.