This book constitutes the refereed proceedings of the 21st International Conference on Metaverse – METAVERSE 2025, held in Hong Kong, China during September 27–30, 2025.The 8 full papers and one short paper included in this book were carefully reviewed and selected from 11 submissions. The papers focus on new work in various aspects of vertical industry services and related technologies and applications.

This book constitutes the refereed proceedings of the 21st International Conference on Metaverse – METAVERSE 2025, held in Hong Kong, China during September 27–30, 2025.The 8 full papers and one short paper included in this book were carefully reviewed and selected from 11 submissions. The papers focus on new work in various aspects of vertical industry services and related technologies and applications.