File cabinet

The invention discloses a file cabinet which comprises a cabinet body with an electromechanical controller, and the cabinet body is provided with a working storage area and a box outlet. A mobile storage assembly, a driving assembly and a positioning unit are arranged in the working storage area; the mobile storage assembly comprises a file storage box and a sliding guide rail, the file storage box is installed on the sliding guide rail and can move relative to the sliding guide rail, and the sliding guide rail is horizontally arranged in the working storage area; the driving assembly comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is arranged below the sliding guide rail, a bearing mechanism is arranged at the end of the first driving mechanism, and the bearing mechanism comprises a butt joint seat in butt joint with the sliding guide rail and can extend out of the cabinet body through the box outlet. The second driving mechanism can drive the file storage box