In manual transmission vehicles, the clutch pedal is used to operate the vehicle clutch. The clutch is composed of friction plate, spring plate, pressure plate and power output shaft, which is arranged between the engine and the gearbox, and is used to transfer the torque stored on the flywheel of the engine to the gearbox, so as to ensure that the vehicle can transfer appropriate driving force and torque to the driving wheels under different driving conditions, and belongs to the category of powertrain.