The invention relates to a peeling-cleaning all-in-one machine for green walnuts, and belongs to the technical field of processing mechanical equipment for agriculture products. The peeling-cleaning all-in-one machine for green walnuts disclosed by the invention comprises a peeling device, an impurity removal and cleaning device, and a drying device, wherein the peeling device comprises a rack, a central main shaft, a peeling rotary drum, a charge port, a concave-plate sieve and a first motor; the impurity removal and cleaning device comprises a water pump, an S-shaped discharge tube, a water tube, a residue collection device, a water collection bucket, a water storage box and a second motor; the drying device comprises a hot-air device and the S-shaped discharge tube. The peeling-cleaning all-in-one machine for green walnuts disclosed by the invention is capable of meeting peeling and cleaning requirements on green walnuts, and ensuring the quality of peeling, thorough in peeling, complete in cleaning, high in automation degree, capable of realizing the cyclic utilization of water resources and primary drying for walnuts, low in cost, stable in running, and wide in market prospect.