To provide an unscrewing tool which can remove tapping, a screw and the like without damaging a body part fixed by the tapping, the screw or the like even if the shape of the pit and thread of the tapping, screw or the like is in such a condition as complete damage or a worn away part is generated.

This unscrewing tool is formed so as to be removed easily without damaging a wall or the like 5 fixed by a tapping, a screw or the like 3, by involving a front end part 2 which allows it to be turned in the opposite direction to the tightening direction of the screw while cutting and sticking into the pit, thread and the like 4 of the tapping, the screw, or the like 3 by a part 1 whose angle is formed so as to be an acute angle to the center of a screwdriver-shaped front end 6 using reinforcing material even if any of the shapes of the pit, thread, and the like 4 of the tapping, the screw and the like 3 is damaged completely or worn away.