An electronic device including a plurality of antennas, the electronic device comprising: a first antenna configured to transmit and receive signals of a plurality of frequency bands; and a second antenna (250, 270) disposed at an area adjacent to the first antenna, wherein the first antenna comprises: a first wireless communication circuit; a first radiator (211, 310); a first feeding part (215, 450) configured to connect the first wireless communication circuit to the first radiator; a first ground part (213, 390, 430) configured to be connected to one end of the first radiator; a switching circuit (217, 330) configured to be connected to the first radiator in an area adjacent to the second antenna; at least one frequency band element (218a, 218b, 351, 353) in which a first end is connected to the switching circuit and a second end is connected to the first ground part; and characterized in that the electronic device further comprises; at least one isolation element (219, 370) configured to connect the first radiator to the ground part in the area adjacent to the second antenna, wherein the at least one isolation element includes at least one capacitance element or at least one inductance element. a first antenna configured to transmit and receive signals of a plurality of frequency bands; and a second antenna (250, 270) disposed at an area adjacent to the first antenna, wherein the first antenna comprises: a first wireless communication circuit; a first radiator (211, 310); a first feeding part (215, 450) configured to connect the first wireless communication circuit to the first radiator; a first ground part (213, 390, 430) configured to be connected to one end of the first radiator; a switching circuit (217, 330) configured to be connected to the first radiator in an area adjacent to the second antenna; at least one frequency band element (218a, 218b, 351, 353) in which a first end is connected to the switching circuit and a second end is connected to the first ground part; and characterized in that the electronic device further comprises; at least one isolation element (219, 370) configured to connect the first radiator to the ground part in the area adjacent to the second antenna, wherein the at least one isolation element includes at least one capacitance element or at least one inductance element. a first wireless communication circuit; a first radiator (211, 310); a first feeding part (215, 450) configured to connect the first wireless communication circuit to the first radiator; a first ground part (213, 390, 430) configured to be connected to one end of the first radiator; a switching circuit (217, 330) configured to be connected to the first radiator in an area adjacent to the second antenna; at least one frequency band element (218a, 218b, 351, 353) in which a first end is connected to the switching circuit and a second end is connected to the first ground part; and characterized in that the electronic device further comprises; at least one isolation element (219, 370) configured to connect the first radiator to the ground part in the area adjacent to the second antenna, wherein the at least one isolation element includes at least one capacitance element or at least one inductance element.