Book excerpt: This is an open access book. 2023 2nd International Conference on Public Service, Economic Management and Sustainable Development (PESD 2023) will be held from Oct. 27 to 29 in Xiamen, China. It dedicates to create a platform for academic communications between specialists and scholars in the fields of Public Service, Economic Management and Sustainable Development. PESD 2023 is the Public Service, Economic Management and Sustainable Development conference aimed at presenting current research being carried out. Economic development provides the basic material basis for public services, and public services create a good social foundation for economic development. At the same time, social and economic aspects need to jointly promote sustainable development. The idea of the conference is for the scientists, scholars, engineers, and students from Universities all around the world and the industry to present ongoing research activities, and hence to foster research relations between the Universities and the industry. This conference provides opportunities for the delegates to exchange new ideas and application experiences face to face, establish business or research relations, and find global partners for future collaboration.