Autorotation rotorcraft

The utility model relates to an autorotation rotorcraft. The autorotation rotorcraft comprises a frame, a body, an engine, a rotor, a propeller, a tail vane, an operating rod, an instrument and an undercarriage, wherein the upper end of the frame is connected with the rotor; the engine is positioned between the tail vane and a cockpit; the instrument and the operating rod are arranged in the cockpit; the engine is connected with the propeller; the undercarriage is arranged below the frame; the rotor consists of two blades which are fixed at the upper end of the frame through a blade shaft. The autorotation rotorcraft has the benefits of high safety, short take-off and landing distance, high stability, high wind resistance and higher cost performance.