The utility model provides a novel river water cleaning system, system device includes the raw water elevator pump, cyclone separator, middle pond, the water purification elevator pump, the medicine system, line mixer, integrated water purifier, integrated water purifier go out water and are clean system finished water promptly. Suitable big yield engineering application's neotype river water cleaning system. Silt is once held back in the river course, arranges the work load of mud in the reducible use, and can prevent that mud from blockking up the adverse effect who produces the system. Whole river water cleaning system can show the mud of solving traditional river pretreatment of water system and block up the scheduling problem, has very big improvement to treating water amount.