The invention relates to a leveling device for a high-efficiency full-automatic framing machine used for a solar cell module, and belongs to the technical field of solar cell module automatic production devices. The leveling device is high in adaptability, and can well coordinate with a transportation mechanism and a frame-combining mechanism of an automatic framing machine of a solar cell module. The leveling device comprises a module lifting-up unit, and is characterized in that the module lifting-up unit is provided with a module positioning unit, the module positioning unit comprises an adsorption rack connected with the module lifting-up unit, the adsorption rack is provided with a fixed suction cup, and two ends of the fixed suction cup are provided with movable suction cups through suction cup adjusting mechanisms.