2. The Internet of Things is an important part of the new generation of information technology, and the IT industry is also called pan-interconnection, which means that things are connected and everything is connected. Thus, "the Internet of Things is the Internet connected with things". This has two meanings: first, the core and foundation of the Internet of Things is still the Internet, which is an extension and expansion network based on the Internet; Second, its customers extend to any goods and exchange information and communicate with each other. Therefore, the definition of the Internet of Things is a kind of network that connects any article with the Internet according to the agreed protocol through information sensing equipment such as radio frequency identification, infrared sensor, global positioning system and laser scanner, and carries out information exchange and communication to realize intelligent identification, positioning, tracking, monitoring and management of the article.