The invention relates to deformed steel bar thermal diffusion treatment equipment, and belongs to the technical field of deformed steel bar thermal diffusion. The equipment comprises a salt bath pool and deformed steel bars, a partition plate is fixed on the inner wall of the salt bath pool and divides the salt bath pool into a heating area and a diffusion area, and a containing assembly is arranged in the diffusion area; the containing assembly comprises rotating bearings, rotating rods, protection rings, a containing body, a containing groove, through holes, supporting arc grooves and supporting rods; a heat insulation box is arranged in the center of the heating area, heating apparatuses are arranged in two areas, separated by the heat insulation box, in the heating area, and a deviation assembly is arranged in the heat insulation box; the deviation assembly comprises a servo motor, a center belt wheel, side belt wheels, a belt, supporting rotating rods, auxiliary bearings, transmission rods, transmission bearings, sealing rings, transmission threads, blocking discs, screw rings, connecting rods and ejecting strips; and a storing assembly is installed in the containing groove and comprises a side plate, a U-shaped connecting rod, rope grooves, matching bearings, matching rotating rods, containing plates, semi-cylindrical grooves and baffles.