The invention discloses a biomimetic kitchen garbage treater. The biomimetic kitchen garbage treater comprises a tank body, a garbage basin is arranged at the top of the tank body, a garbage inlet is formed in the bottom of the garbage basin, the lower end of the garbage inlet is connected with an inlet of a spiral garbage shredder, and an outlet of the spiral garbage shredder is connected with a biomimetic intestinal tube; the biomimetic intestinal tube comprises a plastic hose with a hole, and a permeable membrane covering the outer surface of the plastic hose, the aperture of the hole in the plastic hose is 0.5-3 millimeters, and the aperture of the permeable membrane is 0.1-0.5 millimeter; the biomimetic intestinal tube is wound on a draining board layer upon layer, and an outlet of the biomimetic intestinal tube is communicated with a solid garbage outlet in the lower part of the tank body; one end of the draining board is lapped on one side of the tank board, the other end of the draining board is downward obliquely lapped on a liquid storage tank at the bottom of the tank body, a groove is formed in the draining board and communicated with the liquid storage tank, a water pump is arranged in the liquid storage tank, and a water outlet of the water pump is connected with a faucet outside the upper part of the tank body through a water pipe.