The utility model provides an amorphous magnetism apron sealing device, includes the frame, is provided with elevating gear in the frame, the jar body of the cylinder of vertical direction is connected on elevating gear, the cylinder the jar pole down, be connected with the hot plate on the jar pole of cylinder, be connected with heat -sealing plate under the hot plate, heat -sealing plate on be provided with a plurality of blind holes that ranks distribute that are, be provided with the heat -seal frock in the frame of heat -sealing plate below, the heat -seal frock on be provided with the reference column that the blind hole on a plurality of and the heat -sealing plate corresponds from top to bottom, foraminiferous plastics protected the box in the middle of the cover was equipped withon the magnetic core, magnetic core upper portion covers has the apron, laps to be arranged in plastics and to protect the box. Can be with the reliable fixed position of the apron of minor diameter magnetic core through this sealing device, this device can become batch to the operation.