An aquatic filtration system.It includes: a water inlet group,It contains a water inlet.A water inlet pipeline,The water inlet is arranged on one side of the water inlet pipe.A source of water used to guide an aquaculture structure;A filter group,It contains a filter barrel.The filter barrel has a water inlet part.A filtering area and a water purification department;The water inlet part is provided with a set of float switches.The float switch is connected with the other side of the water inlet pipe to guide the water source in the water inlet group to the water inlet part;The filtering area is connected with the water inlet part.The filtering area is provided with a number of filtering materials for filtering the water source of the water inlet;The water purification part is provided with a water pumping motor.The pump motor is started by a floating switch.Turn off the function,The filtered water is returned to the aquaculture structure through the pumping motor.一種水產過濾系統,其包含有:一進水組,其包含有一進水器、一進水管路所構成,該進水器設置於該進水管路之一側,用於引導一水產養殖結構內的水源;一過濾組,其包含有一過濾桶,該過濾桶具有一進水部、一過濾區以及一淨水部;該進水部設置有一組浮球開關,該浮球開關與該進水管路另一側連接用於將該進水組內的水源引導至該進水部;該過濾區與該進水部相連接,該過濾區設有若干濾材用於過濾該進水部的水源;該淨水部設有一抽水馬達,該抽水馬達受一浮動開關產生啟動、關閉功能,將過濾後的水源透過該抽水馬達回流至該水產養殖結構內。