To provide a sheet material carrying device where, even if each sheet material has a hole(s), each sheet material can be sucked with suction pads, and the carrying-out of each sheet material can be easily performed without depending on the size of each sheet material and the presence of a hole(s).

A suction pad arranged body 36 in which a plurality of suction pads 35 of sucking the surface of each sheet material W are arranged is provided. Regarding the suction pads 41 in a part among the plurality of suction pads 35, their size is made smaller than that of the other suction pads 35. The small suction pads 41 are intensively arranged at the corner parts on the side of a sheet material working machine in the suction pad arranged body 36. The sheet material carrying device carries out each sheet material W by both of large and small suction pads 35, 41.