To provide a sucking tool capable of easily discriminating whether or not a sucking state of a sucker becomes a lock state and excellent in an outward appearance at using time.

A lever 30 is provided for locking or releasing the sucking state by the sucker 20 arranged on a sucking tool body 10, and when releasing the sucking state by the sucker by operating the lever, a picking part 35 of the lever projects outside the contour 10s of the body in a front view, and when locking the sucking state by the sucker by operating the lever, the contour 30s of the lever is housed in the contour of the body in a front view, and becomes an almost flush state with the contour of the body in a front view and a side view.