This book includes the revised selected papers presented at the CCF 19th International Conference on Service Science, ICSS 2026, held in Macau, China, during May 15-17, 2025.

The 33 full papers presented here were carefully reviewed and selected from 91 submissions. ICSS features a unique mix of academic, industrial, and crossdisciplinary topics, and provides a platform for the presentation and exchange of research results and practical experiences as well as education development on serviceology.