To provide a backward movement inhibiting apparatus for inhibiting the backward movement of a vehicle at a start on a sloping road without supplying energy from gasoline.

The backward movement inhibiting apparatus 1 for inhibiting the backward movement of the vehicle at the start on the sloping road, is provided with a motor 30 for transmitting motive energy to a drive shaft of the vehicle, a power supply 20, a motor control unit 10 for controlling power supplied from the power supply to the motor, and a short switch 40 for shorting or releasing between a plurality of wires for connecting the motor and the motor control unit.