A tape cartridge management system which includes a plurality of tape cartridges, an RFID tag for storing management information being arranged at outside or inside of a case of the tape cartridges, and a reader-writer for reading and writing the management information stored in the RFID tag, the reader-writer being configured to be capable of reading and writing the management information with an identical positional relation against the plurality of the tape cartridges, wherein the tape cartridges for arranging the RFID tag at the outside of the case is provided with the RFID tag on an external surface of a side wall on which a label pasting member of the case is disposed, and wherein the tape cartridges for arranging the RFID tag at the inside of the case is provided with the RFID tag on an internal surface of the side wall on which the label pasting member of the case is disposed.