The utility model discloses a novel river course sludge treatment device, including the sludge treatment pond, the mud storage silo, lower glassware, the pre -heater, the hydrothermal reaction ware, the anaerobism retort, the pressure filter, the natural pond slag chute, biomass fuel stick make -up machine and boiler, equipment has first interlayer and second interlayer in the sludge treatment pond, first interlayer and second interlayer are the biological selection pond with sludge treatment pond partition, oxygen deficiency pond and dominant reaction pond, the pressure filter still connects gradually natural pond liquid bath and sewage treatment pond, the anaerobism retort connects gradually methane tank and marsh gas purification device, the hydrothermal reaction ware adopts one -level hydrothermal reaction ware and second grade hydrothermal reaction ware two -stage to establish ties. The utility model discloses environmental protection, safe and reliable, resource degree height, energy resource consumption are low, have alleviateed the ambient pressure who increases day by day, deposits effectual, take up an area of economize, the investment is low, is provided with the water installation of straining that pushes away class device and liftable, has realized that the periodic cycle of the intermittent type drainage of intaking in succession moves, collects aeration sediment, drainage in an organic whole.