The invention discloses an electric cutting device special for electrified operation. The device comprises a cutting device body, the cutting device body comprises a standing box, a clamping cavity, acarrier plate, a slide rail, a sliding base, a clamping plate, a base plate, a fixing block and a cover plate, the clamping cavity is formed in a lower cavity of the standing box, a lead screw hole is formed in one side of the clamping cavity, the carrier plate is fixedly installed on the inner wall of the clamping cavity where the lead screw hole is formed, a motor and a worm wheel protective shell are fixedly installed on one side of the carrier plate, a worm wheel and a lead screw are arranged inside the worm wheel protective shell, the output end of the motor is rotatably connected with adriving shaft, one end of the driving shaft penetrates through the circle center position of the worm wheel, and the driving shaft and the worm wheel are fixedly connected. The electric cutting device special for electrified operation adopts three-groove simultaneous fixing cutting, and therefore cutting efficiency is improved; meanwhile, an electric spark eliminating structure is additionally arranged on a cutting operation face, no external protective circuit is needed, in this way, cutting operation can be efficiently and rapidly performed, and then the overall working efficiency is improved.