Intelligent file cabinet, file management system and file positioning method

The invention discloses an intelligent file cabinet, a file management system and a file positioning method. The intelligent file cabinet comprises a cabinet body, an article storing unit, an RFID read-write module, a position indicating module, electronic tags and a main control system. The main control system is respectively connected with the RFID read-write module and the position indicating module; the article storing unit comprises a tray and at least two partition boards fixed to the tray; the RFID read-write module comprises a reader-writer, a multiplexer, a power divider and at least two antennas, the antennas are fixed to the tray and tightly attached to the partition boards, the reader-writer is connected with the main control system and meanwhile is connected with the multiplexer, the multiplexer is connected with the power divider, and the power divider is connected with the antennas. According to the intelligent file cabinet, the file management system and the file positioning method, files can be guided to be put into the cabinet and to leave the cabinet, file boxes and / or files are accurately positioned, the situation that the file boxes are dislocated can be prompted, the position state is prompted, and the intelligent file cabinet, the file management system and the file positioning method have the advantages of being high in safety, accurate in positioning, capable of achieving quick checking in real time and the like.