An antenna assembly, comprising a conductive frame, a first circuit board, a second circuit board disposed separately from the first circuit board and a metal conductor; wherein a switch assembly of the antenna assembly is disposed on the first circuit board; the metal conductor has one end configured to connect to a feeding point disposed on the second circuit board and the other end configured to connect to the switch assembly on the first circuit board and the conductive frame, and the switch assembly is configured to adjust a radiation frequency band of the antenna assembly; a radiator of the antenna assembly comprises the metal conductor and the conductive frame, wherein the first circuit board is configured to connect with the second circuit board through a transmission circuit, and the antenna assembly further comprises: a matching circuit disposed on the second circuit board and between the feeding point and the transmission circuit, wherein the switch assembly comprises: a first type of connection terminal configured to connect the matching circuit, and a second type of connection terminal configured to connect the metal conductor and the conductive frame; and wherein the antenna assembly further comprises a connection assembly configured to connect the conductive frame, the switch assembly, and the metal conductor, wherein the connection assembly comprises: a first elastic piece configured to connect the switch assembly and the conductive frame, and a second elastic piece configured to connect the switch assembly and the metal conductor, wherein the first elastic piece is connected to the second elastic piece through a connection line, and a line width of the connection line is larger than a preset width. the metal conductor has one end configured to connect to a feeding point disposed on the second circuit board and the other end configured to connect to the switch assembly on the first circuit board and the conductive frame, and the switch assembly is configured to adjust a radiation frequency band of the antenna assembly; a radiator of the antenna assembly comprises the metal conductor and the conductive frame, wherein the first circuit board is configured to connect with the second circuit board through a transmission circuit, and the antenna assembly further comprises: a matching circuit disposed on the second circuit board and between the feeding point and the transmission circuit, wherein the switch assembly comprises: a first type of connection terminal configured to connect the matching circuit, and a second type of connection terminal configured to connect the metal conductor and the conductive frame; and wherein the antenna assembly further comprises a connection assembly configured to connect the conductive frame, the switch assembly, and the metal conductor, wherein the connection assembly comprises: a first elastic piece configured to connect the switch assembly and the conductive frame, and a second elastic piece configured to connect the switch assembly and the metal conductor, wherein the first elastic piece is connected to the second elastic piece through a connection line, and a line width of the connection line is larger than a preset width. a matching circuit disposed on the second circuit board and between the feeding point and the transmission circuit, wherein the switch assembly comprises: a first type of connection terminal configured to connect the matching circuit, and a second type of connection terminal configured to connect the metal conductor and the conductive frame; and wherein the antenna assembly further comprises a connection assembly configured to connect the conductive frame, the switch assembly, and the metal conductor, wherein the connection assembly comprises: a first elastic piece configured to connect the switch assembly and the conductive frame, and a second elastic piece configured to connect the switch assembly and the metal conductor, wherein the first elastic piece is connected to the second elastic piece through a connection line, and a line width of the connection line is larger than a preset width.