To provide a bubble generation device of a bubble type cleaning apparatus cleaning a surface to be cleaned by jetting jet stream water containing bubbles to the surface, and effectively forming a required amount of numerous fine bubbles.

The bubble generation device of a bubble type cleaning apparatus cleans a cleaning object by jetting the jet stream water containing bubbles to the cleaning object, generates numerous fine bubbles by agitating water and air by the rotation of a spiral screw in a bubble generation chamber, and feeds the water containing bubbles to a high pressure water nozzle.