The invention discloses an induction heating torsion system and a method using the induction heating torsion system for torsion heating. The induction heating torsion system comprises a base, a clamping device, an induction coil, a sliding device, a driving device and a torsion device, wherein the clamping device comprises an induction clamping head and a torsion clamping head, the torsion device comprises a rotary shaft, the induction clamping head is fixedly arranged on the base, the rotary shaft is rotatably arranged on the base, the torsion clamping head and the end part of the rotary shaft are fixed, the torsion clamping head is slidingly connected with the base, the center of the induction clamping head is provided with a clamping port, a part penetrates through the induction coil, the head end of the part is detachably and fixedly arranged on the torsion clamping head, the induction coil is connected with a central controller, and the driving device is respectively connected with the central controller, the torsion device and the sliding device. The induction heating torsion system has the advantages that the structure is simple, the size is small, the cost is low, the weight is light, the torsion is more uniform, the local deformation of the part is precisely controlled, the processing efficiency is high, the finished rate of the part is high, and the maintenance and the replacement are convenient.