The invention relates to a novel automatic turning over, spreading and cleaning trolley for kitchen waste biological treatment. The novel automatic turning over, spreading and cleaning trolley for kitchen waste biological treatment comprises a speed reducer driving wheel device, an installation rack, a scraper blade, a driven wheel device, a guide rail, a push rod mechanism, a cleaning water inletpipe and spray nozzles, wherein the speed reducer driving wheel device is connected with the driven wheel device; the driven wheel device is located on the guide rail; the installation rack is arranged above the driven wheel device; the scraper blade, the cleaning water inlet pipe and the spray nozzles are arranged on the installation rack; the scraper blade is located right above a belt; the upper end of the scraper blade is hinged onto the installation rack; one side of the scraper blade is connected with the installation rack through the push rod mechanism; rake teeth are arranged on the lower part of the scraper blade; the spray nozzles are located right above the belt and are arranged on the installation rack through connecting pipes; and the double rows of spray nozzles are inclinedly and uniformly distributed on the connecting pipes in pairs. The novel automatic turning over, spreading and cleaning trolley for kitchen waste biological treatment provided by the invention has thebeneficial effects that automatic spreading and turning over are realized through the scraper blade, meanwhile, a cleaning and spraying device is arranged, two functions share one pipeline, and the novel automatic turning over, spreading and cleaning trolley for kitchen waste biological treatment is simple in structure, stable to run and high in automation level.