To provide a packaged food cooling device for certainly cooling packaged foods without biting them between a water tank and a screw vane by arranging a brushed elastic needle body along the front end of the screw vane of a screw conveyor.

The cooling device 1 comprises the semi-cylindrical cooling water tank 2 with its upper end opened, the screw conveyor 3 capsuled in the cooling water tank 2, a driving motor 4 for driving the screw conveyor 3 to be rotated, a cooling water spraying part 5, and a cooling water circulation pump 6. Synthetic resin needle portions 14, 7-8 cm long, form a brush-filled trapping part 15 along the front end of the screw vane 8 of the screw conveyor 3.