The utility model discloses a workbench for disassembling and wiring a central trunking line during locomotive maintenance. Connecting plates (3) are respectively arranged on the left side and the right side of a table plate (5); a plurality of groups of workbenches are quickly connected into a whole to reach the required length; further, an operator can quickly and effectively finish the work ofdisassembling and wiring the central wire slot circuit; the device is convenient to disassemble and assemble; flexible movement characteristic, standard disassembly of lines in the trunking and disassembly of a lower tube row of the trunking after the central trunking of the locomotive is disassembled are ensured; after the lines and the pipelines are overhauled to be qualified, the pipelines areconnected and installed with the wire slots, and cables in the whole wire slots are arranged and installed standardly; a comfortable operation platform is provided for operators, the maintenance operation efficiency of the central trunking is effectively improved, potential safety hazards of locomotives are avoided, and the central trunking maintenance platform has the advantages of being simple in structure, convenient to operate and the like, and is suitable for large-scale popularization and application.