A waterborne floating photovoltaic power station component belongs to the new energy technology field. The waterborne floating photovoltaic power station component is formed by a plurality of small modules. The component is characterized in that each small module at least includes a floating block and a floating drum; the floating drum is in a horseshoe shape and is used for placing a solar panel; and the floating block and the floating drum are connected through a connecting piece. The waterborne floating photovoltaic power station component provided in the invention is used for waterborne photovoltaic power generating. The structure is designed compactly, and the component is convenient to install and operate and possesses a good mechanical property.