Abstract：Design of intelligent book sorting system based on PLC control The project designs an intelligent book sorting system based on PLC and touch screen controlcomprehensively applies PLC technologyRFID technologytouch screen technologysensor technologytransmission technology and other automatic control technolo Library AutomationThrough this intelligent book sorting systemlibraries can automate the classification and sorting work after books are returnedCollection ClassificationThe system can effectively complete the classification and sorting of returned booksRetrieval and IndexingUsing RFID and sensor technologythe system can accurately identify and track the location of each bookThis project designs an intelligent book sorting system based on PLC and touch screen controlThe system integrates PLC technologyRFID technologytouch screen technologysensor technologytransmission technologyand other automatic control technologies to develop and design this intelligent book sorting systemUsing this systemlibraries can efficiently complete the classification and sorting of returned books and accurately detecttransportand sort booksThe application of RFID technology and sensor technology makes this system fall under the category of the Internet of ThingsIoT