PROBLEM TO BE SOLVED: To provide a transfer device of sheets which can transfer elastic gas-permeable sheet pieces to other members or the like while stably maintaining their extended condition.SOLUTION: The sheet transfer device has a plurality of holding heads 5 capable of rotating around a shaft and transfers sheet pieces held on the holding surfaces 5a of the holding heads 5 in an extended condition to other members or a device while maintaining the extended condition. The holding surface 5a has a pair of end suction regions 5b, 5b sucking both ends of the sheet piece in its extending direction, and the end suction regions 5b, 5b are formed of a porous material.