A cleaning device includes a case. A collection box is located in the case and the collection box includes an entrance with a door pivotally sealing the door. Two cleaning disks are connected to an underside of the case and driven by two gears connected to a roller. Each of the cleaning disks has multiple brushes so as to sweep dust into the collection box. A handle is connected with a yoke member which is pivotally connected to the case and a mopping unit is connected to the case and enclosed by a frame which is movable up and down to allow the brushes to contact the floor when use. The case is pivoted 180 degrees to allow the mopping unit to be located to mop the floor.