The utility model discloses a wheat midge cleaning-out, rinsing and selecting device which comprises a hopper, an overflowing water tank, a rinsing tank and a midge bearing screen. The rinsing tank comprises a main tank and a sleeve at the top of the main tank. The top of the main tank is an inclined plane, a water outlet is arranged on the base portion of the sleeve, the upper portion of the overflowing water tank is of an open cylindrical structure, the upper edge of the overflowing water tank is in fastening fit with the hopper, the bottom face of the overflowing water tank is of an inclined face, a sharp tank opening extending downwards is formed in one side of the lower portion cylinder of the overflowing water tank, a hole matched with the sleeve is formed in the bottom of the overflowing water tank, and the overflowing water tank is sleeved in the middle of the sleeve through the hole in the bottom. The hopper is composed of a conical barrel on the upper portion of a round pipe on the lower portion, a steel wire screen is paved at the bottom of the inner side of the conical barrel of the hopper, and the round pipe of the hopper stretches into the rinsing tank. The device is novel in structure, reasonable in design, convenient to carry, simple to operate, good in practicability and capable of saving labor and saving time.