An electronic device comprising: a first housing including a first side facing a first direction, a second side facing a second direction opposite to the first direction, and a first lateral side surrounding at least part of a space between the first side and the second side; a second housing including a third side facing a third direction, a fourth side facing a fourth direction opposite to the third direction, and a second lateral side surrounding at least part of a space between the third side and the fourth side; a flexible display disposed to a side at which the first housing and the second housing face each other; a connecting member which connects the first housing and the second housing such that the first housing and the second housing are folded to face each other, wherein when the first housing and the second housing are folded, the first lateral side and the second lateral side abut against each other; characterized in that the electronic device further comprises: a first conductive member disposed to at least part of the first lateral side, wherein the first conductive member includes a first non-conductive slit and second non-conductive slit extended in the first direction or the second direction such that the first conductive member is divided into a plurality of conductive segments (351, 352, 353); a second conductive member disposed to at least part of the second lateral side, wherein the second conductive member includes a third non-conductive slit and fourth non-conductive slit extended in the third direction or the fourth direction such that the second conductive member is divided into a plurality of conductive segments (361, 362, 363), and when the first housing and the second housing are folded, the first slit and the fourth slit abut against each other and the second slit and the third slit abut against each other; and at least one wireless communication circuit electrically connected with one of the plurality of conductive segments of the first conductive member at a first point abutting against the first slit, and electrically connected with another of the plurality of conductive segments of the first conductive member at a second point abutting against the second slit. a first housing including a first side facing a first direction, a second side facing a second direction opposite to the first direction, and a first lateral side surrounding at least part of a space between the first side and the second side; a second housing including a third side facing a third direction, a fourth side facing a fourth direction opposite to the third direction, and a second lateral side surrounding at least part of a space between the third side and the fourth side; a flexible display disposed to a side at which the first housing and the second housing face each other; a connecting member which connects the first housing and the second housing such that the first housing and the second housing are folded to face each other, wherein when the first housing and the second housing are folded, the first lateral side and the second lateral side abut against each other; characterized in that the electronic device further comprises: a first conductive member disposed to at least part of the first lateral side, wherein the first conductive member includes a first non-conductive slit and second non-conductive slit extended in the first direction or the second direction such that the first conductive member is divided into a plurality of conductive segments (351, 352, 353); a second conductive member disposed to at least part of the second lateral side, wherein the second conductive member includes a third non-conductive slit and fourth non-conductive slit extended in the third direction or the fourth direction such that the second conductive member is divided into a plurality of conductive segments (361, 362, 363), and when the first housing and the second housing are folded, the first slit and the fourth slit abut against each other and the second slit and the third slit abut against each other; and at least one wireless communication circuit electrically connected with one of the plurality of conductive segments of the first conductive member at a first point abutting against the first slit, and electrically connected with another of the plurality of conductive segments of the first conductive member at a second point abutting against the second slit.