An electronic device is provided. The electronic device includes a housing that includes a first surface directed in the first direction, a second surface directed in a second direction opposite to the first direction, and a lateral side that surrounds, at least in part, a space formed between the first surface and the second surface, a display, an antenna radiating body, a printed circuit board including a first hole and a metal member positioned in the first hole, a flexible connecting member disposed between a portion of the antenna radiating body and a portion of the metal member, a conductive plate configured for contacting the connecting member, or being formed by a portion of the connecting member to include a second hole, and a coupling member for coupling the conductive plate to the printed circuit board by passing through the second hole and contacting with the metal member.