Reservoir drinking water purification treatment device

The utility model relates to the technical field of filtration, in particular to a reservoir drinking water purification treatment device which comprises an integrated water treatment tank, and a water inlet of the integrated water treatment tank is provided with a filter assembly through a pipeline; the filtering assembly comprises a box body connected with the pipeline in a matched mode, a filtering plate is fixedly installed on the side, away from the pipeline, of the box body, a plurality of filtering holes are formed in the filtering plate, and a cleaning assembly used for dredging the filtering holes is arranged in the box body in a sliding mode; the cleaning assembly comprises a sliding plate arranged in the box body in a sliding mode. By arranging the filtering assembly and the cleaning assembly, on one hand, sea grass or seaweed can be automatically cut off and filtering holes can be automatically dredged by utilizing the shearing action and pushing action of a first cutter and a second cutter, and o