To provide a simplified food container which is easily assembled at a service site without using any auxiliary tool, has a sufficient strength free from any disassembly after the assembly, and is suitable for movement of various kinds of cooled or heated food.

The simplified food container is provided with a pressing and coupling mechanism 3 having a pressing projection structure formed on a lower end face of a frame 1 formed of a resin foam plate of the thickness of 4 to 15 mm and a groove structure formed in an upper edge of the outer periphery of a bottom plate 2, and the frame 1 is integrated with the bottom plate 2 by pressing the frame 1 against the bottom plate 2.