An electronic device comprising: a flexible display module including a first display area and a second display area, the first display area and the second display area facing in opposite directions in a folded state of the electronic device in which the flexible display module is folded and facing in a same direction in a flattened state of the electronic device in which the flexible display module is flattened, the flexible display module being exposed to a user in the folded state; a housing accommodating the flexible display module, the housing including a first housing corresponding to the first display area and a second housing corresponding to the second display area; a hinge structure coupled between the first housing and the second housing and configured to facilitate folding of the electronic device between the flattened state and the folded state; a plurality of bars disposed between the flexible display module and the housing and configured such that first surfaces of respective bars of the plurality of bars facing the flexible display module form a flat surface when the electronic device is in the flattened state and form at least a partially curved surface when the electronic device is in the folded state; an elastic member disposed between the plurality of bars and at least part of an area of the flexible display module that curves when the flexible display module is folded, wherein the elastic member extends over an entire area of the first surfaces of the respective bars of the plurality of bars facing the flexible display module; characterized in that the electronic device further comprises: a supporting member disposed between the flexible display module and the elastic member. a flexible display module including a first display area and a second display area, the first display area and the second display area facing in opposite directions in a folded state of the electronic device in which the flexible display module is folded and facing in a same direction in a flattened state of the electronic device in which the flexible display module is flattened, the flexible display module being exposed to a user in the folded state; a housing accommodating the flexible display module, the housing including a first housing corresponding to the first display area and a second housing corresponding to the second display area; a hinge structure coupled between the first housing and the second housing and configured to facilitate folding of the electronic device between the flattened state and the folded state; a plurality of bars disposed between the flexible display module and the housing and configured such that first surfaces of respective bars of the plurality of bars facing the flexible display module form a flat surface when the electronic device is in the flattened state and form at least a partially curved surface when the electronic device is in the folded state; an elastic member disposed between the plurality of bars and at least part of an area of the flexible display module that curves when the flexible display module is folded, wherein the elastic member extends over an entire area of the first surfaces of the respective bars of the plurality of bars facing the flexible display module;