NOVELTY - The apparatus includes a cutter mounted on a floating method, which unites with a screw bar in order to rotate around the screw bar; and a fixing part connected to one end of the screw bar, where the screw bar is fixed to the underwater and it moves with wave right and left, front and back and the shock energy of the waves can be offset and joint.    USE - Apparatus used for generating wave power.    ADVANTAGE - Although the buoyancy number shift is tottery of the waves by providing the apparatus for generating wave power, in which the screw bar is joint connected with the tie bar as right and left, front and back, the screw bar together can move right and left, front and back according to the buoyancy number shift. The damage of the screw bar can be prevented. Although the marine algae are adhered to the screw bar, this can be removed by providing the apparatus for generating wave power equipped with the cutter mounted on the floating method. The foreign substance which buries in the screw bar is removed. The floating method can move up and down smoothly according to the screw bar although the foreign substance is adhered to the screw bar.    DETAILED DESCRIPTION - The apparatus includes a cutter (155) mounted on a floating method, which unites with a screw bar (101) in order to rotate around the screw bar; a fixing part (120) connected to one end of the screw bar, where the screw bar is fixed to the underwater and it moves with wave right and left, front and back and the shock energy of the waves can be offset, and joint with cutter mounted on the one end which is inserted into the underwater and the screw bar, passes through one side while the screw bar move up and down with wave according to the screw bar and floating method (103); and a foreign substance burying in the screw bar.    DESCRIPTION OF DRAWING(S) - The drawing is a perspective view of a wave power generating apparatus.    Circular arm (7)    Screw bar (101)    Floating method (103)    Fixing part (120)    Cutter (155)