PURPOSE: To provide a cold insulation case for use in keeping crabs, fishes, etc., cold for preservation or transportation.

CONSTITUTION: The cold insulation case is made of foaming plastic, etc., with a container body 4 and a lid and the container body 4 is provided therein with a plurality of partition boards 6 to form a plurality of juxtaposed packaging sections (compartments). The partition board 6 has the central part being of the depth equal to the distance of the container body 4 from its upper surface to the inner surface of its bottom and this cold insulation packaging case consists of the hollowed-out parts suitably wide and shaped to receive fresh fish and crab 10, etc. Therefore, the contents of one container 4 can be held in packaging position without shifting and can be kept free from the influence of the water resulting from the melting of the ice packed in the container simultaneously with the contents for cold insulation.