Filtering device for culture pond

The utility model provides a novel culture filtering device, belongs to the practical field of culture equipment, and relates to a culture pond filtering device which divides a box body into a water pumping area, a filtering area, an oxygenation area and a water return area through partition plates, a water suction pump pipeline is arranged to penetrate through the water pumping area and the filtering area and is connected with a water suction pump arranged outside the box body through the water suction pump pipeline, and the water suction pump pipeline is connected with the oxygenation area. A water inlet of the water suction pump is provided with a primary filter screen and is connected with the culture pond on the upper side; a pipeline of the water suction pump is communicated to the filtering area, and sewage is precipitated in the filtering area; a water return pipeline is arranged and penetrates through the water return area and the oxygenation area to reach the filtering area, sewage flows out through