An omni-directional conditioner device includes a carrier that includes a holding part for holding and rotating an object for polishing purpose; a conditioner disposed around the carrier; and a transmission mechanism connected with the carrier on one side and the conditioner on the other side, the transmission mechanism including at least one directional adjustment unit that controls the rotational direction of the conditioner. When the directional adjustment unit is set in one position, the carrier and the conditioner rotate in a same direction, and when the directional adjustment unit is set in another position, the carrier and the conditioner rotate in opposite directions.