(This chapter draws the consideration of the development of the Internet of Things from the two concepts of the Internet of Things, and then summarizes the evolution from sensors to sensor networks and the Internet of Things and their respective connotations, and proposes a new generation based on intelligence and ubiquitous network concepts. The definition of the Internet of Things, then briefly describes the development status of the Internet of Things in the European Union, the United States, Japan and South Korea, and finally gives the direction and suggestions for the development of the Internet of Things industry in my country.)