The utility model relates to a line imposing device for place and compress tightly magnetic coil, magnetic coil includes main part and terminal, and line imposing device includes bottom plate and bearing structure, and bearing structure is used for carrier body, and line imposing device still includes a plurality of supporting structures and a plurality of clamp plate, the supporting structure sets up in bearing structure's both sides, a plurality of clamp plates set up respectively on the supporting structure, and the clamp plate compresses tightly the terminal on the supporting structure, the supporting structure includes and is provided with at least one spacing groove on the terminal surface of riser by a pair of riser, and the terminal extends to the limiting groove of another riser from the spacing groove of a riser. The utility model discloses a bearing structure is with firm the placing on the bottom plate of magnetic coil to through support structure support magnetic coil's terminal, utilize the clamp plate to compress tightly magnetic coil's terminal on the supporting structure, thereby reached firm fixed magnetic coil's purpose, prevent that magnetic coil from carrying the transportation or cutting rocking of in -process.