The 15th International Symposium on Intelligence Computation and Applications 2024 (ISICA2024) will be held on November 16-17, 2024 in Guangzhou, China, and will serve as a forum to present the current work of researchers and software developers from around the world as well as to highlight activities in the Intelligence Computation and Applications areas. It aims to bring the research scientists together such as application pioneers, and software developers to discuss problems and solutions and to identify current and new issues in this area. The conference will emphasize both the design and the analysis of Intelligence algorithms, tools, platforms, and their scientific, engineering, medical and industrial applications. This conference is jointly organized by South China Agricultural University, Guangdong Key Laboratory of Big Data Analysis and Processing at Sun Yat-sen University and Guangdong Baiyun University. ISICA has successfully held 14 times since 2005 and presented 14 proceedings, including three volumes of Communications in Computer and Information Science (CCIS) by Springer and three books by China University of Geosciences Press. All papers included in the volumes of CCIS have been indexed by both EI and ISTP, and the papers included in the three books are indexed by ISTP.