The Research Center for Complex Systems addresses critical complexity challenges and needs faced by the nation and society, targeting systemic difficult problems within major security domains.Grounded in the fundamental principles and theories of complex systems, the center leverages the inherent interdisciplinary strengths of complex systems methodologies. It is committed to advancing key theories and core technologies in complex systems analysis, integration, and regulation. This research is dedicated to solving intricate complex systems problems encountered across scientific and engineering practices, specifically targeting the essential needs of national strategy and regional economic development.