Hill start sliding-prevention device of vehicle

The invention discloses a hill start sliding-prevention device of a vehicle. The hill start sliding-prevention device of the vehicle comprises a brake disc and a brake caliper which are matched, and also comprises a wheel one-way rotation control mechanism. The wheel one-way rotation control mechanism is arranged between the brake disc and the brake caliper and used for unidirectionally restricting the backward rotation of the wheel. The hill start sliding-prevention device of the vehicle also comprises a control part structure. The control part structure comprises an angle sensor, a positionsensor and a forward and reverse sensor electrically connected to a vehicle ECU. The angle sensor is used for detecting the inclination angle of the vehicle body and the horizontal plane; the positionsensor is used for detecting the motion state of a handbrake or a brake pedal; the forward and reverse sensor is used for detecting the rotation direction of an automobile tire; the vehicle ECU is connected to the power porti