This book constitutes the refereed proceedings of the 19th International Conference on Metaverse, METAVERSE 2023, held in Honolulu, HI, USA, during September 23–26, 2023.The 9 full papers and 3 short papers included in this book were carefully reviewed and selected from 15 submissions.

Research Track.- CEESys: A Cloud-Edge-End System for Data Acquisition, Transmission and Processing Based on HiSilicon and OpenHarmony.- YOLO-IMF: An Improved YOLOv8 Algorithm for Surface Defect Detection in Industrial Manufacturing Field.- The Path Analysis of Applying VR Technology to University Ideological and Political Theory Courses.- Application of the Metaverse in Product Engineering - A Workshop for Identification of Potential Field of Action.- Application and Industry Track.- Carbon Neutrality in Smart Tech-Parks: Leveraging Metaverse and Energy Management Application.- Research on the Construction of Teaching Evaluation Model Based on Big Data.- Short Paper Track.- CBDC - an Alternative to Cryptocurrency in the Metaverse an Indian Perspective.- Research on the Application of Metaverse Technology in the Field of Intelligent Transportation.- Metaverse Applications for Construction of Educational Digital Resources.