To provide a raw prawn packaging method capable of preserving raw prawns for a long time similarly to a water-pouring block freezing system, eco-friendly and capable of providing raw prawns which are additive-free and very safe from the viewpoint of the food sanitation for an end user by completely avoiding the use of additive while solving problems of difficult thawing in the water-pouring block freezing system and the heavy weight during the transport.

With a plurality of fresh-landed raw prawns P mounted, a tray 1 is stored in an inner bag 2 formed of a gas impermeable plastic laminate film and vacuum-packaged. A package 3 is frozen, stored in an outer bag 4 formed of a plastic film, and vacuum-packaged.