In a bending system and a method for using the same, the bending system includes a bending robot provided between a press brake and a predetermined setting area that is arranged in front of the press brake to assist in bending a workpiece. The bending robot includes a robot hand for holding the workpiece on a pallet that is set in the predetermined setting area. An image pickup unit, which picks up an image of the workpiece on the pallet from an oblique upper direction, is provided above and anterior to the predetermined setting area. A first illumination unit, which illuminates an image pickup area of the image pickup unit, is erected on a left front side of the predetermined setting area. A second illumination stand, which illuminates the image pickup area of the image pickup unit, is erected on a right front side of the predetermined setting area.