An electronic device is provided, which includes a first housing; a second housing; a hinge structure connecting the first housing and the second housing in a foldable manner; a flexible display that includes a first region facing the first housing, a second region facing the second housing, and a folding region facing the hinge structure; a protective cap including a protrusion that projects outward from the hinge structure; and a blocking member that is disposed between the flexible display and the protective cap to be supported by the protrusion in the folding region and is made of a material having elasticity.