To provide a cutting/abrasive sweeping device which can make a range of an available work space broaden in every suspension work from upper part by such as a crane or at the time of setting a strip-shaped guide rail.

In the cutting/abrasive sweeping device where a cutting/abrasive sweeping means is provided freely movable on a guide rail along a execution object 2, and a traveling ring 7 which is displaced perimeter direction of the execution object is held by a rotational arm 6, a turning wheel 14 of a vertically moving means 13 which moves the cutting/abrasive sweeping means in a direction perpendicular to the execution object is provided at a position contact with the traveling ring 7, and the vertically moving means is made possible to move vertical direction by rotation of the turning wheel.