The disclosure relates to a Virtual Reality (VR) omnidirectional body motion input platform. The VR omnidirectional body motion input platform includes a universal treadmill. An upright post is provided on a side of the universal treadmill; a cantilever located above the universal treadmill is provided on the upright post; a suspension frame extending downward is connected to the cantilever; and a body restriction mechanism located above the universal treadmill is connected to a lower end of the suspension frame.