An electronic device, comprising: a flexible display including a first region and a second region; a first housing supporting the first region; a second housing supporting the second region; and a hinge structure connecting the first housing to the second housing, wherein the hinge structure comprises: an axis shaft forming a rotational axis; a sliding cam (541, 542, 543, 544) slidably coupled to the axis shaft, and including a first sliding cam in which a first sliding cam nose is formed, a second sliding cam in which a second sliding cam nose is formed, a third sliding cam in which a third sliding cam nose is formed, and a fourth sliding cam in which a fourth sliding cam nose is formed; a cam body including a first rotation cam including a first rotation cam nose engaged with the first sliding cam, a second rotation cam including a second rotation cam nose engaged with the second sliding cam and a third rotation cam nose engaged with the third sliding cam, and a third rotation cam including a fourth rotation cam nose engaged with the fourth sliding cam; and elastic members including a first elastic member disposed between the first sliding cam and the second sliding cam, and a second elastic member disposed between the third sliding cam and the fourth sliding cam, wherein the first rotation cam nose, the second rotation cam nose, the third rotation cam nose, and the fourth rotation cam nose are disposed on different imaginary lines extending parallel to the rotational axis of the axis shaft, and wherein the first sliding cam nose, the second sliding cam nose, the third sliding cam nose, and the fourth sliding cam nose are disposed on a same imaginary line. a flexible display including a first region and a second region; a first housing supporting the first region; a second housing supporting the second region; and a hinge structure connecting the first housing to the second housing, wherein the hinge structure comprises: an axis shaft forming a rotational axis; a sliding cam (541, 542, 543, 544) slidably coupled to the axis shaft, and including a first sliding cam in which a first sliding cam nose is formed, a second sliding cam in which a second sliding cam nose is formed, a third sliding cam in which a third sliding cam nose is formed, and a fourth sliding cam in which a fourth sliding cam nose is formed; a cam body including a first rotation cam including a first rotation cam nose engaged with the first sliding cam, a second rotation cam including a second rotation cam nose engaged with the second sliding cam and a third rotation cam nose engaged with the third sliding cam, and a third rotation cam including a fourth rotation cam nose engaged with the fourth sliding cam; and elastic members including a first elastic member disposed between the first sliding cam and the second sliding cam, and a second elastic member disposed between the third sliding cam and the fourth sliding cam, wherein the first rotation cam nose, the second rotation cam nose, the third rotation cam nose, and the fourth rotation cam nose are disposed on different imaginary lines extending parallel to the rotational axis of the axis shaft, and wherein the first sliding cam nose, the second sliding cam nose, the third sliding cam nose, and the fourth sliding cam nose are disposed on a same imaginary line. an axis shaft forming a rotational axis; a sliding cam (541, 542, 543, 544) slidably coupled to the axis shaft, and including a first sliding cam in which a first sliding cam nose is formed, a second sliding cam in which a second sliding cam nose is formed, a third sliding cam in which a third sliding cam nose is formed, and a fourth sliding cam in which a fourth sliding cam nose is formed; a cam body including a first rotation cam including a first rotation cam nose engaged with the first sliding cam, a second rotation cam including a second rotation cam nose engaged with the second sliding cam and a third rotation cam nose engaged with the third sliding cam, and a third rotation cam including a fourth rotation cam nose engaged with the fourth sliding cam; and elastic members including a first elastic member disposed between the first sliding cam and the second sliding cam, and a second elastic member disposed between the third sliding cam and the fourth sliding cam, wherein the first rotation cam nose, the second rotation cam nose, the third rotation cam nose, and the fourth rotation cam nose are disposed on different imaginary lines extending parallel to the rotational axis of the axis shaft, and wherein the first sliding cam nose, the second sliding cam nose, the third sliding cam nose, and the fourth sliding cam nose are disposed on a same imaginary line.