The Internet of Things is an important component of the new generation of information technology. Its English name is "The Internet of Things", abbreviated as "IoT". As the name implies, "the Internet of Things is the Internet connected by things".

This has two meanings:

First, the core and foundation of the Internet of Things is still the Internet, which is an extension and expanded network based on the Internet;

Secondly, its user end extends and expands to any item to item exchange and communication.

Therefore, the Internet of Things is defined as a network that connects any item to the Internet for information exchange and communication according to the agreed protocol through radio frequency identification (RFID), infrared sensors, global positioning systems, laser scanners and other information sensing devices to achieve intelligent identification, positioning, tracking, monitoring and management of items. At present, the Internet of Things is a local application network formed by utilizing various information sensing technologies and information transmission and processing technologies to enable the state of managed objects (people or things) to be perceived and recognized; In the near future, the Internet of Things is a huge network that connects these local application networks through the Internet and communication networks to form a connection between people and things, and between things and things. It is the infrastructure to perceive China and the earth.