(The Internet of Things is a network system that uses information technology to terminate the automatic identification of objects and information sharing on the basis of the Internet. It is known as the third wave in the global information industry after computers, the Internet and mobile communication networks. This article discusses the current situation of the development of the Internet of Things in the world's leading economies and the basic structure, industrial chain and business model of the Internet of Things industry in my country, and analyzes the important issues that need to be solved urgently in the development process of the Internet of Things industry in China.)