The omni-directional treadmill is started. An omnidirectional treadmill according to an embodiment of the present invention includes an inner core having a dome shape having a flat top surface and having a plurality of inner omnidirectional wheels rotatable in all directions on the surface; An omnidirectional belt that surrounds the inner core, has a net structure by connecting a plurality of cell pads to each other, and is rotatable in all directions around the inner core; A plurality of external rotation supports including an outer wheel that is in contact with the outside of the omnidirectional belt to support the omnidirectional belt and rotatable to correspond to the rotation of the omnidirectional be And a body frame accommodating an inner core, an omnidirectional belt, and an external rotating support so that an upper surface of the omnidirectional belt is exposed to the outside.
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