In China, as Internet of Things and cloud-computing have been widely used in various areas, the concept of Intelligent City quickly became one of the most exciting topics in urban development. Various institutes and organizations (e.g., National Techlogy Department, Chinese Academy of Social Sciences, Chinese Academy of Sciences) proposed their ideas on how to build intelligent cities in China. Intelligent City has tremendous benefits to modern China. First of all, China needs to construct its own intelligent cities in order to realize the ecomic transformation (from extensive to intensive, from low end to high end and from follower to leader), the industry upgrade, as well as transformation in city development. Secondly, Intelligent City is also an important new approach to boost China's ecomy since the traditional ecomic forms, such as real estate, automobiles, and import and export, are currently in a downtrend. Most importantly, utilizing the high-tech methods can help us build low-carbon cities. According to estimates, by building intelligent cities, we are able to increase the efficiency of energy saving and emission reduction by 30%-40%. In order to facilitate the healthy development of intelligent cities in China, build the competitive advantage of Chinese cities in the world, and respond to the high demand for information on Intelligent City from readers, this book discusses in detail the status, current problems, perspectives and methods in the development of Intelligent City in China.