Abstract: According to the present invention, there is provided a lumbago treating girdle comprising: a girdle main body including an inverse-triangular press portion provided with a zipper extending in a vertical direction to a crotch portion from a belt disposed on an upper part of a front surface of the girdle main body, a portion sewn in the vertical direction on a back surface, a right femoral part, a left femoral part, a left engaging member on the left side of the press portion and a right engaging member on the right side of the press portion; a left stretch band which is attached to a middle of a left end portion of the girdle main body, and to a tip end of which a left engaging member with an engaging piece attached to one surface thereof is attached; and a right stretch band which is attached to a middle of a right end portion of the girdle main body, and to a tip end of which a right engaging member with an engaging piece attached to one surface thereof is attached, the left stretch band being attached to t