To temporarily hold a screw member for operation to an mounting member, simply, surely and still inexpensively.

The screw member is constituted such that it is temporarily held with a mounting hole 21 formed in the mounting member, is screwed in a female screw hole 31 formed in a mounting object, and screws the mounting member. The screw member 10 for operation is integratedly provided with: a male screw 12 formed at an end on one side of a shaft 11; a screw head 19 continuously arranged on the other side of the shaft 11, and equipped with an operating means 19a around; an engagement protrusion 13 equipped in a cylinder part 14 positioned between the male screw 12 and the screw head 19, and also equipped to protrude in a circumferential and radial directions of the cylinder 19; and a slot 17 formed parallel to an axial line from the end of the shaft 11. A screwing structure using the screw member 10 for operation is also provided.