To provide a cleaning brush with high water use efficiency by enabling the handle to be compressed, capable of discharging cleaning water with enough pressure to clean cars, etc.

The cleaning brush 1 includes a handle 3 capable of storing cleaning water and brush 2 with a cleaning body 7 at the outside. The inner side of the brush 2, a room in the brush 5 is provided, which has a discharging hole 11 to discharge cleaning water from inside of the room in the brush 5 toward the outside. The handle 3 has a room in the handle 6 communicating with the room in the brush 5, in which cleaning water can be stored. By compressing the handle 3, the cleaning water stored in the room in the handle 6 is delivered to the room in the brush 5 and discharged from the discharging hole 11 for cleaning.