The 4^th Conference on Fully Actuated System Theory and Applications (FASTA2025) is sponsored by Nanjing University of Science and Technology and Technical Committee on Fully Actuated System Theory and Application, CAA and  Technical Committee on Fully Actuated System Theory and Applications，ACA and organized by the School of Automation, Nanjing University of Science and Technology.Under the guidance of the Professional Committee on Fully Actuated System Theory and Applications, Chinese Association of Automation, FASTA2025 will be held in Nanjing, China, from 4 to 6 July 2025. Its purpose is to provide an academic communication platform for scientists, engineers, and practitioners in related research fields worldwide to show the latest developments in control theories and technical achievements. It provides various academic communication and sharing opportunities, such as keynotes, special sessions, oral presentation sessions,and poster sessions.

Nanjing, the capital of Jiangsu Province, is situated in a key central city in the eastern region and serves as the geographical center of the entire Yangtze River Delta region. It boasts strategic advantages in connectivity,extending from the river to the sea, bridging east to west, and linking north to south. It is a significant national scientific research and education base and a comprehensive transportation hub. Furthermore, Nanjing represents the essence of classical Chinese culture and elegance, symbolizing the classical Chinese civilization. Known as the "Cultural Hub of the World," Nanjing has a rich cultural heritage that includes the cultures of the Six Dynasties, the Ming Dynasty, and the Republic of China, which have profoundly influenced human history.Historically, wealth has emerged from the southeast, and Jinling has been a convergence point. As a capital of ten dynasties, Nanjing has been a pinnacle of cultural and historical artifacts in the southeast, exuding an air of Confucian elegance, heroic spirit, refined beauty, and vibrant harmony.Welcome to FASTA2025! Welcome to Nanjing, Jiangsu!