An electronic device comprising: a first housing including a first face facing a first direction, and a second face facing a second direction opposite the first direction; a second housing including a third face facing a third direction, and a fourth face facing a fourth direction opposite the third direction; a touch screen display continuously disposed in a central region of the first face of the first housing and a central region of the third face of the second housing, wherein the touch screen display includes a flat region; a hinge configured to connect the first housing and the second housing, wherein the first housing is configured to be moved with respect to the second housing using the hinge when the electronic device is folded; a hinge cover disposed outside the hinge; characterised by a support sheet positioned under a common curved region of the touch screen display, the common curved region being in a central area of the touch screen display and being curved upon folding of the touch screen display, the support sheet being configured to support the touch screen display when the touch screen display is folded so that the second face of the first housing and the fourth face of the second housing are in contact with each other; wherein the support sheet comprises at least one group (208a, 208b, 208c) of support sheet members, the at least one group comprising a plurality of semicircular support sheet members (208a1, 208a2); and wherein an end of each of the plurality of semicircular support sheet members (208a1, 208a2) is connected to one of a plurality of bars positioned side by side in an axial direction of the hinge. a first housing including a first face facing a first direction, and a second face facing a second direction opposite the first direction; a second housing including a third face facing a third direction, and a fourth face facing a fourth direction opposite the third direction; a touch screen display continuously disposed in a central region of the first face of the first housing and a central region of the third face of the second housing, wherein the touch screen display includes a flat region; a hinge configured to connect the first housing and the second housing, wherein the first housing is configured to be moved with respect to the second housing using the hinge when the electronic device is folded; a hinge cover disposed outside the hinge; characterised by a support sheet positioned under a common curved region of the touch screen display, the common curved region being in a central area of the touch screen display and being curved upon folding of the touch screen display, the support sheet being configured to support the touch screen display when the touch screen display is folded so that the second face of the first housing and the fourth face of the second housing are in contact with each other; wherein the support sheet comprises at least one group (208a, 208b, 208c) of support sheet members, the at least one group comprising a plurality of semicircular support sheet members (208a1, 208a2); and wherein an end of each of the plurality of semicircular support sheet members (208a1, 208a2) is connected to one of a plurality of bars positioned side by side in an axial direction of the hinge.