An electronic device (100, 200) comprising: a hinge housing extending in a direction of a rotational axis; a first housing connected to one side of the hinge housing in a direction perpendicular to the rotational axis to rotate about the rotational axis relative to the hinge housing; a second housing connected to an opposite side of the hinge housing in a direction perpendicular to the rotational axis to rotate about the rotational axis relative to the hinge housing; and a flexible display including: a bending area at least partially disposed in the hinge housing and formed to be a flat surface in a flat state of the electronic device (100, 200) or a curved surface in a folded state of the electronic device (100, 200), a first area extending from the bending area in one direction perpendicular to the rotational axis, and a second area extending from the bending area in an opposite direction perpendicular to the rotational axis, wherein the flexible display is disposed so as to be movable by a certain range in the rotational axis direction inside the electronic device (100, 200); wherein the hinge housing includes: protruding portions (234-1, 234-2) formed on opposite end portions of the hinge housing in the direction of the rotational axis and adjacent to a periphery of the flexible display, and cushioning members (240-1, 240-2) disposed between the protruding portions and the periphery of the flexible display, the periphery of the flexible display being configured to at least partially contact the cushioning members (240-1, 240-2) based on an external shock applied to the electronic device (100, 200). a hinge housing extending in a direction of a rotational axis; a first housing connected to one side of the hinge housing in a direction perpendicular to the rotational axis to rotate about the rotational axis relative to the hinge housing; a second housing connected to an opposite side of the hinge housing in a direction perpendicular to the rotational axis to rotate about the rotational axis relative to the hinge housing; and a flexible display including: a bending area at least partially disposed in the hinge housing and formed to be a flat surface in a flat state of the electronic device (100, 200) or a curved surface in a folded state of the electronic device (100, 200), a first area extending from the bending area in one direction perpendicular to the rotational axis, and a second area extending from the bending area in an opposite direction perpendicular to the rotational axis, a bending area at least partially disposed in the hinge housing and formed to be a flat surface in a flat state of the electronic device (100, 200) or a curved surface in a folded state of the electronic device (100, 200), a first area extending from the bending area in one direction perpendicular to the rotational axis, and a second area extending from the bending area in an opposite direction perpendicular to the rotational axis, wherein the flexible display is disposed so as to be movable by a certain range in the rotational axis direction inside the electronic device (100, 200); wherein the hinge housing includes: protruding portions (234-1, 234-2) formed on opposite end portions of the hinge housing in the direction of the rotational axis and adjacent to a periphery of the flexible display, and cushioning members (240-1, 240-2) disposed between the protruding portions and the periphery of the flexible display, the periphery of the flexible display being configured to at least partially contact the cushioning members (240-1, 240-2) based on an external shock applied to the electronic device (100, 200). protruding portions (234-1, 234-2) formed on opposite end portions of the hinge housing in the direction of the rotational axis and adjacent to a periphery of the flexible display, and cushioning members (240-1, 240-2) disposed between the protruding portions and the periphery of the flexible display, the periphery of the flexible display being configured to at least partially contact the cushioning members (240-1, 240-2) based on an external shock applied to the electronic device (100, 200).