To make the change of a workpiece following-up system or a position changing work accompanying the change of the lower die of a press brake unnecessary in a press brake system annexing a workpiece following-up system to the press brake.

The press brake system is provided with the press brake 1, the workpiece following-up system 11 and a moving mechanism 21. In the press brake 1, an arbitrary die is selectable among a plurality of lower dies 3 which are different in the width of a recessed part 3a as the lower die 3 used for bending a workpiece W. The workpiece following-up system 11 is provided on one side of the press brake 1 and has a supporting member 12 for supporting an overhung part Wa on the side of the workpiece W by turning and following up the bend of the workpiece W. The moving mechanism 21 moves the workpiece following-up system 11 in the row direction of both to the press brake 1 in accordance with the workpiece following-up system and the lower die 3 which is selected for bending the workpiece W.