The utility model relates to a hook of clearing a coil with four-corner welded magnetic poles and belongs to the technical field of power generators. The hook for clearing the coil with the four-corner welded magnetic poles is characterized in that the hook comprises a handle, a cutter arbor, a cutter frame and a cutter; the handle is fixed on the cutter arbor; the cutter arbor is provided with the cutter frame; and the coil clearing cutter is mounted on the cutter frame. The utility model has the advantages of simple structure, easy processing, convenient operation, economical and practical performance, environmental protection, and can reduce labor intensity, improve production efficiency, save raw material, and reduce production cost.