Computer mainframe box convenient for wire arrangement

The utility model relates to the technical field of wire arrangement of computer mainframe boxes, and particularly discloses a computer mainframe box convenient for wire arrangement, which comprises a box body and a wire arrangement plate, a computer assembly is arranged in the box body, a wiring port is formed in the computer assembly, cables are connected to the wiring port, and the cables are fixed in a centralized mode through a wiring board; the wiring board is provided with a wiring cavity used for allowing cables to penetrate through, the inner wall of the wiring cavity is provided with a plurality of cable bunching belts, and the cables are arranged in a cavity defined by the cable bunching belts and the inner cavity wall of the wiring cavity. According to the scheme, the wiring board is arranged on the box body, the wiring board is rapidly fixed through the snap fastener structure in actual use, when the cables are arranged, only multiple cables on a computer need to be arranged in the wiring board i