The present invention proposes a water unmanned cleaning robot. The water unmanned cleaning robot according to an embodiment of the present invention includes: a hull in which an opening is formed in front of which water garbage is introduced, and a garbage receiving part in which water garbage introduced through the opening is accommodated; a solar panel located on the upper portion of the hull and converting sunlight into electrical energy; a battery unit for storing electric energy converted from the solar panel; a propulsion unit receiving power from the battery unit and providing a driving force for the hull to travel on water; a filter unit located at the rear of the waste receiving unit, the filter unit having a plurality of filter holes to separate water and water waste introduced into the opening; and a control unit for controlling the driving of the propulsion unit, wherein the propulsion unit is located at the rear of the filter unit, and induces a flow of fluid from the front to the rear inside the waste receiving unit.
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