An electronic device, comprising: a first housing; a second housing; a hinge housing disposed between the first housing and the second housing; a hinge structure connecting the first housing and the second housing in a foldable manner; a flexible display that comprises a first region corresponding to the first housing, a second region corresponding to the second housing, and a folding region corresponding to the hinge structure; a first protection cover disposed on the first housing to cover a periphery of the first region; a second protection cover disposed on the second housing to cover a periphery of the second region; and a protection structure disposed on the hinge housing, characterized in that the protection structure comprises: a protective cap disposed on the hinge housing; and a blocking member made of elastic material to conceal a periphery of the flexible display from the outside in the folding region and to bend corresponding to the foldable manner, wherein the blocking member is disposed between at least a part of the protective cap and the periphery of the flexible display in the folding region; wherein the protective cap is made of rigid material to cover at least a part of the blocking member, wherein at least a part of the protective cap is positioned over the flexible display so as to at least partially overlap with the periphery of the flexible display in the folding region when the flexible display is viewed from above. a first housing; a second housing; a hinge housing disposed between the first housing and the second housing; a hinge structure connecting the first housing and the second housing in a foldable manner; a flexible display that comprises a first region corresponding to the first housing, a second region corresponding to the second housing, and a folding region corresponding to the hinge structure; a first protection cover disposed on the first housing to cover a periphery of the first region; a second protection cover disposed on the second housing to cover a periphery of the second region; and a protection structure disposed on the hinge housing, characterized in that the protection structure comprises: a protective cap disposed on the hinge housing; and a blocking member made of elastic material to conceal a periphery of the flexible display from the outside in the folding region and to bend corresponding to the foldable manner, wherein the blocking member is disposed between at least a part of the protective cap and the periphery of the flexible display in the folding region; wherein the protective cap is made of rigid material to cover at least a part of the blocking member, wherein at least a part of the protective cap is positioned over the flexible display so as to at least partially overlap with the periphery of the flexible display in the folding region when the flexible display is viewed from above. a protective cap disposed on the hinge housing; and a blocking member made of elastic material to conceal a periphery of the flexible display from the outside in the folding region and to bend corresponding to the foldable manner, wherein the blocking member is disposed between at least a part of the protective cap and the periphery of the flexible display in the folding region; wherein the protective cap is made of rigid material to cover at least a part of the blocking member, wherein at least a part of the protective cap is positioned over the flexible display so as to at least partially overlap with the periphery of the flexible display in the folding region when the flexible display is viewed from above.