The invention discloses a snail washing device for processing of rice noodles with snails. The device comprises a seal cap, a washing tank, a tail end pipe, a rolling device, a conveying belt, a firstbelt pulley, a residue box, a circulating pump, a motor, a water inlet pipe, a water outlet pipe, a filter screen, a second belt pulley, a washing drum, a roller, a water remaining strip and a plurality of water nozzles. The snail washing device has the beneficial effects that the water inlet pipe is connected with one end of the tail end pipe, and the plurality of water nozzles are formed in thetail end pipe and are opened in low right direction; the tail end pipe is used for supplying water from the water inlet pipe and spraying water toward the low right direction, so that snails are driven to move forward, and snail washing is facilitated; one end of the conveying belt is connected with the rolling device trough an inclined plat-mounted structure, and the longitudinal height of the rolling device is less than that of the conveying belt, so that washing water cannot flow out from the conveying belt, and the normal snail output process cannot be influenced due to the design of theinclined plate.