The utility model discloses a simple structure, convenient to use lever extracting tool belong to part of machine tool technical field, and by frame, couple, lever with carve to one side and constitute, the one end of couple is used for wearing to establish at the main shaft, its tip and frame fixed connection, be equipped with the eave tile that is used for catching on the main shaft on the couple on the one end tip of keeping away from the frame, the lever and carve to one side respectively with rotatable being connected of frame, and the one end and rotatable being connected of the one end of lever of carving to one side, the other end is used for wearing to establish at the main shaft, its bottom is equipped with the face that inclines that intersects with the level, carve the below that is located the couple to one side, the face that inclines established on it be used for with the main shaft on the teper -shank instrument of installation contact, by the lever drive carving to one side the motion realize from catch on dismantle in the main shaft on the couple under the teper -shank instrument. The utility model discloses extracting tool passes through lever principle, can make the operator under laborsaving effect, reaches the mesh of dismantling the teper -shank instrument to can guarantee that the operator is difficult be injured, realize machine tool operation's fail safe nature.