To provide a packaging container having good sealability and parallelism as the packaging container, and capable of enhancing the working efficiency for storage.

The packaging container P1 is equipped with first and second resin-molded plates 1 and 2, a hinge part 3 for connecting one end ridge part 1A of the first resin-molded plate 1 to one end ridge part 2A of the second resin-molded plate 2, a perforation 4 for folding which is formed in the hinge part 3, and an article storing space part 5 which is formed between opposing fold surfaces 1S and 2S when folding the first resin-molded plate 1 and the second resin-molded plate 2 with the perforation 4 for folding of the hinge part 3 as a supporting point. The one end ridge part 1A of the first resin-molded plate 1 is formed in a curled shape so as to be jumped in the direction of the surface of the resin-molded plate.