To provide a cleaning device being easy to operate, reducing cleaning work time, and having high practical use.

The cleaning device includes a body 10. A driving motor 20 is disposed in the body 10. A shaft rod 21 is connected to the driving motor 20. An annular brush 22 is coupled to the shaft rod 21. A plurality of brush bristles 23 are set to the bottom of the annular brush 22. When the driving motor 20 is driven, the annular brush 22 is rotated by the rotation of the shaft rod 21 and the brush bristles 23 of the annular brush 22 rub off dirt on a floorboard or a window glass. The device enables quick cleaning work and automated cleaning work.