This book constitutes the proceedings of the 7th International Conference on Ubiquitous Intelligence and Computing, UIC 2010, held in Xi an, China, during October 26-29, 2010. The 36 papers presented in this volume, together with the three keynote speeches, one invited paper, 6 special session papers, and 5 PSC special track papers, were carefully reviewed and selected from 128 submissions. The topics covered are activity, localization, and user identification; ubiquitous services and applications; sensor networks; infrastructure, middleware and context-awareness; distributed systems and services; wireless and mobile ad hoc networks; ubiquitous intelligence and services; and pervasive social computing.