The utility model relates to a medical appliance of orthopaedics, particularly a repositioning machine for treating intervertebral disc, which is composed of a longitudinal traction force measuring device, a transverse restitution repositioning device, a driving device and two fixed belts. Two kinds of ergometers can detect the force value of each function by a specific formula. A plurality of kinds of restitution repositioning heads can randomly adjust angles, change positions, determine affected part and realize repositioning function. The utility model can treat intervertebral disc, having the advantages of light weight, convenient carrying and plurality of functions.