2021 International Conference on Digital Society and Intelligent Systems (DSInS 2021) will be held in Chengdu, China, from 19th to 21st November 2021. The conference mainly revolves around the application of Intelligent systems in the digital society. As the digital society has emerged in the fourth industrial revolution, the demand for the supports of various leading technologies is increasing. Intelligentization has become increasingly important in different kinds of technologies and the application of them. With the various difficulties of social management and development, intelligent systems are vital to solving problems in many aspects of society. DSInS 2021 is an international forum for scientists, engineers, and practitioners to present their latest research and development results in all areas of Digital Society and Intelligent Systems. DSInS aims to discuss the key challenges and the latest research in this field to promote the development and application of theory and technology. DSInS 2021 welcomes all high-quality research papers and presentations from related research fields.