The invention discloses a double-station gear ring hot pressing device, and relates to the technical field of flywheel manufacturing. The double-station gear ring hot pressing device comprises a supporting plate, a supporting frame, a flywheel positioning part, a gear ring press-fitting part and a master control part, wherein the flywheel positioning part comprises a workbench, working plates androdless air cylinders; sliding grooves are formed in the working plates; sliding columns are arranged in the sliding grooves in a sliding mode; the sliding columns are driven by the rodless air cylinders, and positioning columns are arranged at the upper ends of the sliding columns; the gear ring press-fitting part comprises supporting rods, mounting plates and hydraulic cylinders, the hydraulic cylinders are arranged on the mounting plates, push plates are arranged at the lower ends of piston rods of the hydraulic cylinders, pressing plates are arranged on the lower end faces of the push plates, pressing rings are arranged on the lower end surfaces of the pressing plates, and cooling hoses are arranged on the outer circumferential surfaces of the pressing rings; and the master control part comprises a master button box and a master control panel, and the master button box and the master control panel are electrically connected with the rodless cylinders on the two sides and the hydraulic cylinders on the two sides correspondingly. The device has the advantages of being simple in structure, convenient to operate, convenient to maintain and high in working efficiency.