The invention discloses a vehicular power maintenance system with a maintenance tool box. The vehicular power maintenance system with the maintenance tool box comprises a vehicle main body, a lifting device and a maintenance bracket, wherein the lifting device is arranged on the vehicle main body; the maintenance bracket is arranged in a hoisting device; the ends of a lifting platform are provided with movable plates which can be opened; the movable plates are arranged adjacent to a working opening; the movable plates form a maintenance muzzle bell which is communicated with the working opening after being opened; the vehicle main body is also provided with the maintenance tool box; the maintenance tool box comprises a box body; one side of the box body is provided with a cabinet door; a plurality of compartments and drawers, which are formed by baffle plates, are arranged in the box body; cameras are arranged in the compartments and the drawers; the cabinet door is provided with a door panel; the baffle plates are also provided with rotary display screen assemblies connected with the cameras.