Temporary cable fixer

The utility model discloses a temporary cable fixer which comprises a grabbing and buckling assembly used for being grabbed and hung on an I-shaped steel beam, a hook connecting piece is arranged at the relative lower end of the grabbing and buckling assembly in the height direction, and one end of the hook connecting piece extends downwards in the height direction to form a hook-shaped part. The hook-shaped part is provided with an opening allowing a cable to penetrate through and be placed in an inner cavity of the hook-shaped part, an arc-shaped sealing plate is hinged to the connecting end of the hook-shaped part and the hook connecting piece, and the arc-shaped sealing plate has a blocking state enabling the opening to be closed and an opening state enabling the opening to be opened; a first through hole is formed in the free end of the arc-shaped sealing plate in the thickness direction; a second through hole is formed in the position, corresponding to the first through hole, of the tail end of the hook