An electronic device of the present invention includes a first flat section which is positioned on a back surface side of a flat-type device body, a second flat section which openably and closably covers a front surface of the device body, and a coupling section which couples the first flat section and the second flat section together such that the first flat section and the second flat section are foldable. The first flat section has a first folding section provided in parallel with the coupling section, and the second flat section has a second folding section provided in parallel with the coupling section.