(The concept of "Internet of Things" was put forward in 1999. Its definition is very simple: connect all items to the Internet through information sensing devices such as radio frequency identification to achieve intelligent identification and management. The Internet of Things - Concept Internet of Things (TheInternetofthings) The concept of RFID was put forward in 1999, and its definition is very simple: connect all items to the Internet through information sensing devices such as radio frequency identification to realize intelligent identification and management. The picture of the "Internet" era: when the driver makes a mistake, the car will automatically alarm; the briefcase will remind the owner of what tools have been forgotten; the clothes will "tell" the washing machine of the color and water temperature requirements, and so on.)