A method for producing a wearing article includes conveying a front-abdominal-portion forming strip and a rear-dorsal-portion forming strip dividing the front-abdominal-portion forming strip being conveyed, along a dividing line parallel to a width direction thereof holding a relative positional relationship between two segments of the front-abdominal-portion forming strip on both sides of the dividing line within a period of implementation of the step of holding, detachably attaching a first attaching-detaching member to the front-abdominal-portion forming strip in such a manner as to cover the dividing line, thereby restricting a relative displacement between the segments of the front-abdominal-portion forming strip on both sides of the dividing line joining the front-abdominal-portion forming strip and a front region of a crotch portion together and joining the rear-dorsal-portion forming strip and a rear region of the crotch portion together.
