Force line calibration fixing device

The utility model relates to the technical field of medical instrument design, in particular to a force line calibration fixing device which comprises a foot force line fixing device, a waist force line fixing device and a force line rod, the foot force line fixing device comprises a bottom plate, a vertical frame and an angle plate, a connecting block is fixedly installed on the top of the vertical frame, and a plurality of fixing rods are installed on the angle plate. A first connecting rod is installed on the connecting block, a first transition block is fixedly installed on the first connecting rod, a second connecting rod penetrates through the first transition block, a second transition block is fixedly installed on the second connecting rod, a third connecting rod penetrates through the second transition block, and a first force line rod fixing block is installed on the third connecting rod. The waist force line fixing device comprises a cross rod, a vertical rod and an angle adjusting rod, one end of