The present invention pertains to a stator manufacturing method and a device therefor. All segments (10) are twisted in order to obtain a stator, the linear sections of the segments (10) being inserted into slots in a stator core (20). The segments (10) on the inner peripheral side are subsequently twisted after the segments (10) on the outer peripheral side are untwisted. In order to achieve this, e.g., a fourth spindle (34d) that is positioned on the outermost peripheral side and is one of the first through fourth spindles (34a-34d) for twisting the segments (10) is disconnected from a fourth motor (64d) and brought to a non-rotatable state. The following is then performed in sequence: the third spindle (34c) is disconnected from a third motor (64c) and twisted, and the second spindle (34b) is disconnected from the second motor (64b) and twisted.