An electronic device comprising: a communication circuit (110, 710, 1210, 1310) configured to communicate with an external device; a wireless charging circuit; and a processor (120, 220) configured to control the communication circuit, wherein the communication circuit (110, 710, 1210, 1310) comprises: a coil antenna comprising: a first coil of a loop type that rotates with a first number of rotation times in a first direction; a second coil of a loop type that is extended from the first coil, rotates with a second number of rotation times in a second direction, and is spaced from the first coil by a specific distance; and a third coil of a loop type that rotates with a third number of rotation times in a third direction; and an antenna control circuit (112, 212) electrically connected with the first and second coils (13, 15) and configured to transmit or receive a signal with the first and second coils (13, 15); wherein the third coil has a diameter smaller than that of the first coil and is located inside the first coil, and the second coil is located inside the third coil; and wherein the third coil is electrically connected to the wireless charging circuit, wherein the coil antenna further comprises: a first connection part connected with an end of the first coil; and a second connection part wherein the antenna control circuit is configured to transmit and receive a signal with the coil antenna through the first connection part or the second connection part and characterized in that the second connection part is connected directly with an end of the second coil. a communication circuit (110, 710, 1210, 1310) configured to communicate with an external device; a wireless charging circuit; and a processor (120, 220) configured to control the communication circuit, wherein the communication circuit (110, 710, 1210, 1310) comprises: a coil antenna comprising: a first coil of a loop type that rotates with a first number of rotation times in a first direction; a second coil of a loop type that is extended from the first coil, rotates with a second number of rotation times in a second direction, and is spaced from the first coil by a specific distance; and a third coil of a loop type that rotates with a third number of rotation times in a third direction; and an antenna control circuit (112, 212) electrically connected with the first and second coils (13, 15) and configured to transmit or receive a signal with the first and second coils (13, 15); a coil antenna comprising: a first coil of a loop type that rotates with a first number of rotation times in a first direction; a second coil of a loop type that is extended from the first coil, rotates with a second number of rotation times in a second direction, and is spaced from the first coil by a specific distance; and a third coil of a loop type that rotates with a third number of rotation times in a third direction; and a first coil of a loop type that rotates with a first number of rotation times in a first direction; a second coil of a loop type that is extended from the first coil, rotates with a second number of rotation times in a second direction, and is spaced from the first coil by a specific distance; and a third coil of a loop type that rotates with a third number of rotation times in a third direction; and an antenna control circuit (112, 212) electrically connected with the first and second coils (13, 15) and configured to transmit or receive a signal with the first and second coils (13, 15); wherein the third coil has a diameter smaller than that of the first coil and is located inside the first coil, and the second coil is located inside the third coil; and wherein the third coil is electrically connected to the wireless charging circuit, wherein the coil antenna further comprises: a first connection part connected with an end of the first coil; and a second connection part wherein the antenna control circuit is configured to transmit and receive a signal with the coil antenna through the first connection part or the second connection part and characterized in that the second connection part is connected directly with an end of the second coil. a first connection part connected with an end of the first coil; and a second connection part wherein the antenna control circuit is configured to transmit and receive a signal with the coil antenna through the first connection part or the second connection part and characterized in that the second connection part is connected directly with an end of the second coil.