Active adjustable system of electronic throttle

The invention discloses an active adjustable system of an electronic throttle, which comprises a driving mode selection device and an electric control unit of an engine, wherein the driving mode selection device is used for selecting different driving modes; and the electric control unit of the engine is connected with the driving mode selection device, is used for providing the correspondence relationship control curve of various throttle pedal positions and the target output torque of the engine, controls an electronic restrictor body by a driving mode selected by the driving mode selection device according to the pre-matched correspondence relationship of the throttle pedal positions and the target output torque of the engine and realizes the control of the target output torque of the engine. The invention can actively adjust the correspondence relationship of the throttle pedal positions and the target output torque of the engine according to the driving fancy of different drivers and can also select a proper driving mode according to different running road conditions of a vehicle. The invention can be used as one optional configuration of a passenger car and can enhance the driving comfort and the economy of the fuel oil of the vehicle.