The invention discloses a secondary equipment ledger management system, comprising a general server, a plurality of workstations, an identity identification unit arranged on secondary equipment, a mobile intelligent terminal and a portable printer, wherein the general server and the workstations are in signal interconnection through a wireless router, and the mobile intelligent terminal and the portable printer are in signal interconnection through wifi signals and the wireless router; main functions of the general server are processing, storing, synchronizing, backing up and managing relatedledger data of the secondary equipment in all substations; and main functions of the portable printer are receiving and printing information to be printed sent from the mobile intelligent terminal. The secondary equipment ledger management system provided by the invention can record, access, view, modify, back up and manage the related ledger data of the secondary equipment in the substation whereeach workstation is located by using the mobile intelligent terminal, and carry out man-machine dialogues, thereby greatly reducing the management difficulty of the ledger of the secondary equipmentand labor intensity of personnel.