To provide a bundled cable management database which enables cables housed in cable bundling equipment to be individually grasped.

The cable bundling system data are stored in: a cable bundling system field for inputting information on the cable bundling system with the name of the cable bundling system which has electric pole span as a span, as an index; a main cable field for inputting information on a main cable with the name of the main cable which is hung to the electric pole span registered as the cable bundling system, as an index; and a hanger field for inputting information on a hanger for housing the bundled cable. The bundled cable data are stored in: a bundled cable field for inputting information on the bundled cable with the name of the bundled cable as an index; a laying situation field for inputting information on the laying situation of the bundled cable and the cable kind; and a cable bundling system description field where the bundled cable is laid and inputs information to show the descriptions of the cable bundling system.