The invention provides a slurry treatment system. The slurry treatment system comprises a liquid collection box, a conveying pipeline, a centrifuge, a centrifuge motor, a control valve, a mixing barrel, a flocculating agent pump, a slurry pump, a slurry tank, a mixing barrel motor, a conveyor belt, a slurry feeding pipe, an unloading valve and a bracket, wherein the centrifuge comprises a first arc, a second arc, a third arc, a connection section, an outer wall, a middle wall, an inner wall, a scraping knife rod, a scraping knife, a multifunctional groove, an outer maintenance disc, an inner maintenance disc, a liquid discharging blowing opening, a liquid discharging pipe top wall, a liquid discharging pipe, an auxiliary blowing opening and a slurry discharging grid, wherein the slurry pump is used for conveying slurry in the slurry tank into the mixing barrel; the flocculating agent pump is used for conveying a flocculating agent into the mixing barrel; the mixing barrel motor is usedfor driving blades in the mixing barrel to stir; the control valve is connected between the mixing barrel and the centrifuge; the slurry enters the centrifuge through the slurry feeding pipe; liquiddischarged from the centrifuge enters the liquid collection box through the conveying pipeline; the slurry discharged from the centrifuge falls onto the conveyor belt through the unloading valve; theslurry treatment system further comprises a controller.