An electronic device comprising: a housing; a flexible display configured to be at least partially drawn out of an internal space of the housing; and a rotation module configured to move the flexible display, wherein the rotation module comprises: a shaft comprising one end and another end each coupled to a support member included in the electronic device, a cylindrical housing drivingly connected to the flexible display and configured to be capable of performing a rotational motion about the shaft, a pair of cylindrical cams penetrated by the shaft and accommodated in the cylindrical housing, wherein the pair of cylindrical cams are configured to be capable of performing a linear motion on the shaft and positioned to be symmetrical to each other with respect to a center of the shaft, a pair of guide pins coupled to the cylindrical housing and configured to correspond to a pair of guide grooves, respectively, which are provided in cylindrical surfaces of the pair of cylindrical cams, respectively, wherein the pair of guide grooves are symmetrical to each other with respect to the center of the shaft, and a pair of springs accommodated in the cylindrical housing and configured to elastically support the pair of cylindrical cams, respectively, wherein the pair of springs are symmetrical to each other with respect to the center of the shaft. a housing; a flexible display configured to be at least partially drawn out of an internal space of the housing; and a rotation module configured to move the flexible display, wherein the rotation module comprises: a shaft comprising one end and another end each coupled to a support member included in the electronic device, a cylindrical housing drivingly connected to the flexible display and configured to be capable of performing a rotational motion about the shaft, a pair of cylindrical cams penetrated by the shaft and accommodated in the cylindrical housing, wherein the pair of cylindrical cams are configured to be capable of performing a linear motion on the shaft and positioned to be symmetrical to each other with respect to a center of the shaft, a pair of guide pins coupled to the cylindrical housing and configured to correspond to a pair of guide grooves, respectively, which are provided in cylindrical surfaces of the pair of cylindrical cams, respectively, wherein the pair of guide grooves are symmetrical to each other with respect to the center of the shaft, and a pair of springs accommodated in the cylindrical housing and configured to elastically support the pair of cylindrical cams, respectively, wherein the pair of springs are symmetrical to each other with respect to the center of the shaft. a shaft comprising one end and another end each coupled to a support member included in the electronic device, a cylindrical housing drivingly connected to the flexible display and configured to be capable of performing a rotational motion about the shaft, a pair of cylindrical cams penetrated by the shaft and accommodated in the cylindrical housing, wherein the pair of cylindrical cams are configured to be capable of performing a linear motion on the shaft and positioned to be symmetrical to each other with respect to a center of the shaft, a pair of guide pins coupled to the cylindrical housing and configured to correspond to a pair of guide grooves, respectively, which are provided in cylindrical surfaces of the pair of cylindrical cams, respectively, wherein the pair of guide grooves are symmetrical to each other with respect to the center of the shaft, and a pair of springs accommodated in the cylindrical housing and configured to elastically support the pair of cylindrical cams, respectively, wherein the pair of springs are symmetrical to each other with respect to the center of the shaft. <EOS>