A wearable electronic device comprising: a display; an external side housing including a through hole where the display is exposed, the external side housing further including: a first conductive member disposed on a first surface of the external side housing facing a first direction, wherein the first direction corresponds to the direction towards which the surface of the display faces, a second conductive member disposed adjacent to a second surface of the external side housing facing a second direction opposite to the first direction, and a nonconductive member interposed between the first conductive member and the second conductive member and disposed between the first surface and the second surface; a rear housing formed with a nonconductive material, wherein the rear housing is coupled to the second surface of the external side housing or is disposed in the through hole to face the second direction; a printed circuit board, PCB, disposed inside the external side housing; a communication circuit disposed on the PCB and electrically connected with the first conductive member and the second conductive member; and a ground part electrically connected with at least one of the first conductive member and the second conductive member, disposed inside the external side housing; wherein the communication circuit is configured to feed the first conductive member and the second conductive member and is configured to transmit/receive a signal through the first conductive member and the second conductive member, and wherein the nonconductive member spaces apart the first conductive member from the second conductive member in the first direction. a display; an external side housing including a through hole where the display is exposed, the external side housing further including: a first conductive member disposed on a first surface of the external side housing facing a first direction, wherein the first direction corresponds to the direction towards which the surface of the display faces, a second conductive member disposed adjacent to a second surface of the external side housing facing a second direction opposite to the first direction, and a nonconductive member interposed between the first conductive member and the second conductive member and disposed between the first surface and the second surface; a first conductive member disposed on a first surface of the external side housing facing a first direction, wherein the first direction corresponds to the direction towards which the surface of the display faces, a second conductive member disposed adjacent to a second surface of the external side housing facing a second direction opposite to the first direction, and a nonconductive member interposed between the first conductive member and the second conductive member and disposed between the first surface and the second surface; a rear housing formed with a nonconductive material, wherein the rear housing is coupled to the second surface of the external side housing or is disposed in the through hole to face the second direction; a printed circuit board, PCB, disposed inside the external side housing; a communication circuit disposed on the PCB and electrically connected with the first conductive member and the second conductive member; and a ground part electrically connected with at least one of the first conductive member and the second conductive member, disposed inside the external side housing; wherein the communication circuit is configured to feed the first conductive member and the second conductive member and is configured to transmit/receive a signal through the first conductive member and the second conductive member, and wherein the nonconductive member spaces apart the first conductive member from the second conductive member in the first direction.