A mobile terminal, comprising: an external interface body, being an earphone socket; a board, the board comprising a feed and a ground; an antenna assembly, comprising: a first antenna and a second antenna, wherein the external interface body is disposed in an antenna clearance area defined by the first antenna and the second antenna; and a first filter unit disposed between the first antenna and the external interface body, characterized in that the antenna assembly further comprises a diplexer connected to the first antenna, the second antenna, and the feed of the board of the mobile terminal; and the first filter unit is connected in series between the ground of the board of the mobile terminal and a first circuit element of the external interface body, wherein the first circuit element is a pin of the external interface body and disposed between the first antenna and the external interface body, between the diplexer and the external interface body, and in the antenna clearance area, wherein the first filter unit is configured such that the external interface body forms a suspension body to reduce interference from the external interface body to the antenna assembly, the first antenna is disposed on a side of the earphone socket and the second antenna is disposed on another side of the earphone socket, the mobile terminal comprises a second filter unit disposed between the second antenna and the earphone socket, the second filter unit being connected to a second circuit element of the earphone socket and configured to reduce interference from the earphone socket to the antenna assembly. an external interface body, being an earphone socket; a board, the board comprising a feed and a ground; an antenna assembly, comprising: a first antenna and a second antenna, wherein the external interface body is disposed in an antenna clearance area defined by the first antenna and the second antenna; and a first filter unit disposed between the first antenna and the external interface body, characterized in that the antenna assembly further comprises a diplexer connected to the first antenna, the second antenna, and the feed of the board of the mobile terminal; and the first filter unit is connected in series between the ground of the board of the mobile terminal and a first circuit element of the external interface body, wherein the first circuit element is a pin of the external interface body and disposed between the first antenna and the external interface body, between the diplexer and the external interface body, and in the antenna clearance area, wherein the first filter unit is configured such that the external interface body forms a suspension body to reduce interference from the external interface body to the antenna assembly, the first antenna is disposed on a side of the earphone socket and the second antenna is disposed on another side of the earphone socket, the mobile terminal comprises a second filter unit disposed between the second antenna and the earphone socket, the second filter unit being connected to a second circuit element of the earphone socket and configured to reduce interference from the earphone socket to the antenna assembly.