Percolation ditch capable of purifying and utilizing fecal water

The utility model provides a percolation ditch capable of purifying and utilizing fecal water, which comprises a first-stage anaerobic tank, a second-stage anaerobic tank communicated with one side of the first-stage anaerobic tank, a clarification tank communicated with one side of the second-stage anaerobic tank, a sewage pump mounted on one side of the clarification tank, a water supply pipe connected with one end of the sewage pump through a pipe, the water supply pipe extends into the percolation ditch, and the other end of the sewage pump is connected with a water pump. The percolation ditch comprises a percolation ditch body, the bottom and the ditch wall of the percolation ditch body are paved with impermeable membranes, the surfaces of the impermeable membranes are paved with prefabricated ceramsite vermiculite concrete U-shaped pipe fittings, and the U-shaped ceramsite vermiculite concrete prefabricated pipe fittings are internally provided with purification mechanisms. The problems of discharge and