An electronic device (100, 200), comprising: a first housing (101, 201); a second housing (102, 202); a flexible display (103, 203) received in the first housing (101, 201) and the second housing (102, 202); and a hinge module (204, 300, 400, 500) connecting the first housing (101, 201) and the second housing (102, 202), wherein the hinge module (204, 300, 400, 500) includes: a hinge bracket (360, 560); a first rotation bracket (310a, 510a) connected with the first housing (101, 201) and rotatably mounted on the hinge bracket (360, 560); a second rotation bracket (310b, 510b) connected with the second housing (102, 202) and rotatably mounted on the hinge bracket (360, 560); a first interlocking member (320a, 520a), at least a portion of which positioned on the first rotation bracket (310a, 510a) and includes a first gear shaft, at least a portion of which is received in the hinge bracket (360, 560); a second interlocking member (320b, 520b), at least a portion of which positioned on the second rotation bracket (310b, 510b) and includes a second gear shaft connected with the first gear shaft and having at least a portion received in the hinge bracket (360, 560); a first guide member (330a, 530a) connected with the first rotation bracket (310a, 510a) and configured to provide an elastic force to the first interlocking member (320a, 520a) in a first direction perpendicular to the flexible display (103, 203); and a second guide member (330b, 530b) connected with the second rotation bracket (310b, 510b) and configured to provide an elastic force to the second interlocking member (320b, 520b) in the first direction. a first housing (101, 201); a second housing (102, 202); a flexible display (103, 203) received in the first housing (101, 201) and the second housing (102, 202); and a hinge module (204, 300, 400, 500) connecting the first housing (101, 201) and the second housing (102, 202), wherein the hinge module (204, 300, 400, 500) includes: a hinge bracket (360, 560); a first rotation bracket (310a, 510a) connected with the first housing (101, 201) and rotatably mounted on the hinge bracket (360, 560); a second rotation bracket (310b, 510b) connected with the second housing (102, 202) and rotatably mounted on the hinge bracket (360, 560); a first interlocking member (320a, 520a), at least a portion of which positioned on the first rotation bracket (310a, 510a) and includes a first gear shaft, at least a portion of which is received in the hinge bracket (360, 560); a second interlocking member (320b, 520b), at least a portion of which positioned on the second rotation bracket (310b, 510b) and includes a second gear shaft connected with the first gear shaft and having at least a portion received in the hinge bracket (360, 560); a first guide member (330a, 530a) connected with the first rotation bracket (310a, 510a) and configured to provide an elastic force to the first interlocking member (320a, 520a) in a first direction perpendicular to the flexible display (103, 203); and a second guide member (330b, 530b) connected with the second rotation bracket (310b, 510b) and configured to provide an elastic force to the second interlocking member (320b, 520b) in the first direction. a hinge bracket (360, 560); a first rotation bracket (310a, 510a) connected with the first housing (101, 201) and rotatably mounted on the hinge bracket (360, 560); a second rotation bracket (310b, 510b) connected with the second housing (102, 202) and rotatably mounted on the hinge bracket (360, 560); a first interlocking member (320a, 520a), at least a portion of which positioned on the first rotation bracket (310a, 510a) and includes a first gear shaft, at least a portion of which is received in the hinge bracket (360, 560); a second interlocking member (320b, 520b), at least a portion of which positioned on the second rotation bracket (310b, 510b) and includes a second gear shaft connected with the first gear shaft and having at least a portion received in the hinge bracket (360, 560); a first guide member (330a, 530a) connected with the first rotation bracket (310a, 510a) and configured to provide an elastic force to the first interlocking member (320a, 520a) in a first direction perpendicular to the flexible display (103, 203); and a second guide member (330b, 530b) connected with the second rotation bracket (310b, 510b) and configured to provide an elastic force to the second interlocking member (320b, 520b) in the first direction.