A step of conveying the first and second continuous webs in the conveyance direction, a step of folding the two continuous webs in two, and a part of the first side edge portion that extends in the conveyance direction of the two continuous webs and becomes a leg hole of the wearing article A first joining step in which the webs are intermittently joined to each other in the conveying direction, a step of extending the heel in the width direction of one continuous web after the first joining step, and the opposite of the first side edge portion in a state in which the heel is stretched A second joining step of joining the continuous webs to each other at a part of the second side edge portion on the side.第１および第２連続ウエブを搬送方向に搬送する工程と、両連続ウエブを２つに折る工程と、両連続ウエブの搬送方向に延び着用物品のレッグホールとなる第１側縁部の一部を搬送方向に間欠的に互いに接合する第１接合工程と、第１接合工程の後に、一方の連続ウエブについて皺を幅方向に伸ばす工程と、皺を伸ばした状態で第１側縁部の反対側の第２側縁部の一部において連続ウエブ同士を互いに接合する第２接合工程とを備える。
