To provide a food packaging container that makes it easy to fit a dish part, makes it difficult to remove the dish part during cooking, and makes it easy for some users to remove the dish part.SOLUTION: A food packaging container 100 includes at least a container body 1 and a dish part 2. The container body 1 has a lower fitting part 14 on a container side extending over one round on an inner peripheral side surface of the container body 1 and an annular container-side horizontal part that extends endlessly over one round in a radial direction of the container body 1 at a position higher than the lower fitting part 14 and extends horizontally outward in the radial direction of the container body 1. The dish part 2 has a dish side fitting part 26 that extends over one round on an outer peripheral side surface of...