Internet of things considers various aspects of Internet Systems including an extensiveoverview of internet, distributed systems and related issues. The text has been dividedinto four categories, hardware and Networking aspects, Architectures and Methods,Security Aspects and Application scenarios. It provides the reader with insights into thedevelopment of its history, so as to understand the Application of Internet of Things inUrban Waterlogging Prevention Management System, Internet of Things Business Models,Supply and Demand Oriented Energy Management in the Internet of Things, HybridSecurity Techniques for Internet of Things Healthcare Applications.