Internet of Things considers various aspects of Internet Systems including an extensive overview of internet, distributed systems and related issues. The text has been divided into four categories, hardware and Networking aspects, Architectures and Methods, Security Aspects and Application scenarios. Provides the reader with insights into the development of its history, so as to understand the Application of Internet of Things in Urban Waterlogging Prevention Management System, Internet of Things Business Models, Supply and Demand Oriented Energy Management in the Internet of Things, Hybrid Security Techniques for Internet of Things Healthcare Applications.