The invention discloses a piezoelectric ceramic stack synchronous bonding tool. The tool comprises a frame, a base, a standard block and a moving assembly, wherein the frame is provided with a guide rail in the vertical direction; the moving assembly is matched with the guide rail and moves up and down along the guide rail; the standard block is arranged on the base and is matched with the bottomof the moving assembly so as to limit the vertical direction of the moving assembly when the moving assembly moves downwards; a structural member is mounted at the bottom of the moving assembly, and the piezoelectric ceramic stack is arranged on the base and is aligned with the structural member; and when the moving assembly is driven to move downwards to enable the bottom of the moving assembly to be in contact with the standard block, the structural member is pressed on the piezoelectric ceramic stack, so that the piezoelectric ceramic stack and the structural member are bonded together. According to the tool, the problem of thickness control of bonding of the piezoelectric ceramic stack, and/or the problem of large height difference of the assembly after the different piezoelectric ceramic stacks and the structural members such as aluminum oxide ceramic plates are bonded together can be solved.