With the development of communication and computer technology, Internet of Things technology has become more and more closely related to people's life, work and entertainment. Radio Frequency Identification (RFID) is a kind of automatic identification technology of non-contact identification through radio frequency signals, which is one of the key technologies in the identification link of the Internet of things. In recent years, RFID has become the focus of attention. In the research, the current research situation of the subject was investigated, the theory and technology related to the subj...