An oral cleaning device has a supporting part (20) which supports an oral cleaning tool; a clamping fixing part (5) which is movable close to or away from the supporting part (5) and which fixes the oral cleaning tool (100) to the supporting part (20) when being moved close to the supporting part (20); and a vibrating part (30) and (31) which vibrates the oral cleaning tool (10) fixed to the supporting part (20) by vibrating the supporting part (20) or the clamping fixing part (5).