To provide a shutter piece in a food shaping device that is capable of opening and closing an enclosure surrounded by a plurality of shutter pieces, the shutter piece including a flexure allowance part (39) between a rotation center position (O) of a shutter piece (19) and a distal end part (35) of the shutter piece (19) to allow flexure of a distal-end side portion (43) of the shutter piece (19) in the opposite direction from a closing opening direction during a closing operation of the shutter piece (19), in which the flexure allowance part (39) is constituted by a slit (41), a cutaway part (45), or a hole, and the flexure allowance part (41) includes a flexure-amount adjustment mechanism to adjust the amount of flexure of the distal-end side portion (43) of the shutter piece (19).
