For RFID, a universal "standard" is particularly important to realize the "layout" on a global scale, to make RFID products produced by different companies compatible with each other, to promote the popularization of RFID technology, and to realize the freedom of trade in the RFID industry. Establishing a standard system to promote the standardization of the RFID industry has become a goal of global attention. The main purpose of RFID standardization is to solve the problems of coding, communication, air interface and data sharing by formulating, publishing and implementing unified standards, so as to promote the popularization of RFID technology and related system applications to the greatest extent. The content involved in the RFID standard system mainly includes the following aspects: RFID Technical Standards It mainly defines the air interface and related parameters of different frequency bands, including basic terms, physical parameters, communication protocol...