Novel fan blade

The utility model discloses a novel fan blade, which belongs to the technical field of wind power generation fan blades and comprises a main body, fan blades are fixedly mounted on the outer wall of the main body, a conversion device capable of increasing the conversion efficiency of wind power is arranged on the main body and comprises a top plate, and the top plate is fixedly mounted on the outer wall of the top end of the main body. A flow guide groove is formed in the top plate, a rotating rod is fixedly installed at the center of the bottom end of the main body, an installation block is fixedly installed at the end, away from the main body, of the rotating rod, and a communication opening is formed in the main body, so that when wind blows to the main body, wind power can blow fan blades, and therefore wind power generation can be conducted; and an included angle is formed between the inner wall of the communicating opening and the main body, and the included angle of the communicating opening is equal t