2024 4th International Conference on Control Theory and Applications (ICoCTA 2024) was successfully held in Hangzhou, China during October 18-20, 2024. It was organized by Zhejiang University, hosted by College of Electrical Engineering, Zhejiang University and co-organized by Qingdao University, Xi'an Jiaotong University and Technical Committee on Data Driven Control, Learning and Optimization, Chinese Association of Automation. More than 100 participants attended ICoCTA 2024 and finished oral presentation.