The invention relates to the technical field of a metal cap of a glass bottle, and discloses a die pressing device for glass bottle cap processing. The die pressing device comprises a workbench and abase, and a fixed die is arranged at the top of the workbench. Two symmetrical supports are fixedly arranged at the top of the workbench, and electric push rods are fixedly arranged on one opposite side faces of the two supports correspondingly. A clamping plate is arranged at one end, far away from the correspondingly support, of each electric push rod in a penetrating mode, and a support plate is fixedly arranged between the top ends of the two clamping plates. The top of the support plate is inlaid with two sliding sleeves, and the inner rings of the two sliding sleeves are movably sleevedwith sliding rods correspondingly. A transverse plate is fixedly connected between the top ends of the two sliding rods. The die pressing device solves the problems that the existing processing equipment for the metal cap of the glass bottle has low processing efficiency, increases the input cost of an enterprise, and affects the mental state of workers due to loud noise. Moreover, the die pressing device achieves the advantages of high processing efficiency, low input cost, high processing precision and low noise and meanwhile can ensure that the workers have a good working environment.