Abstract: Provided is a vehicle step apparatus comprising a first extending and retracting device comprising a first mounting bracket, a first step bracket, and a first arm assembly coupled between the first mounting bracket and the first step bracket and configured to drive the first step bracket to move between an extending position and a retracting position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move; a step mounted on the first step bracket and the second step bracket; a single motor mounted on the first mounting bracket and having a motor shaft coupled with the first arm assembly; and a transmission shaft defining a first end coupled with the motor shaft, and a second end coupled with the second arm assembly via a braking device.