A terminal device, comprising: a housing comprising a conductive frame, wherein a first frame connecting point, a second frame connecting point and a grounding point are disposed on the conductive frame, and the second frame connecting point is disposed between the first frame connecting point and the grounding point; and a feeding point disposed on a circuit board and configured to input or output an electric signal, wherein the grounding point is connected with a first grounding end through a third signal wire, and the first grounding end is disposed on the circuit board; a first antenna formed by the feeding point, a first signal wire, the first frame connecting point, the third signal wire and the conductive frame when the first frame connecting point is connected with the feeding point through the first signal wire and the second frame connecting point is disconnected from the feeding point, wherein the first antenna is configured to receive and transmit a wireless signal in a first frequency band; and a second antenna formed by the feeding point, a second signal wire, the third signal wire, the second frame connecting point and the conductive frame when the first frame connecting point is disconnected from the feeding point and the second frame connecting point is connected with the feeding point through the second signal wire, wherein the second antenna is configured to receive and transmit a wireless signal in a second frequency band; and a third antenna formed by the feeding point, the first signal wire, the second signal wire, the third signal wire, the first frame connecting point, the second frame connecting point and the conductive frame when the first frame connecting point is connected with the feeding point through the first signal wire and the second frame connecting point is connected with the feeding point through the second signal wire, and the third antenna is configured to enhance intensity of a signal in a boundary frequency of the first frequency band, wherein a center frequency of the first frequency band is higher than a center frequency of the second frequency band. a housing comprising a conductive frame, wherein a first frame connecting point, a second frame connecting point and a grounding point are disposed on the conductive frame, and the second frame connecting point is disposed between the first frame connecting point and the grounding point; and a feeding point disposed on a circuit board and configured to input or output an electric signal, wherein the grounding point is connected with a first grounding end through a third signal wire, and the first grounding end is disposed on the circuit board; a first antenna formed by the feeding point, a first signal wire, the first frame connecting point, the third signal wire and the conductive frame when the first frame connecting point is connected with the feeding point through the first signal wire and the second frame connecting point is disconnected from the feeding point, wherein the first antenna is configured to receive and transmit a wireless signal in a first frequency band; and a second antenna formed by the feeding point, a second signal wire, the third signal wire, the second frame connecting point and the conductive frame when the first frame connecting point is disconnected from the feeding point and the second frame connecting point is connected with the feeding point through the second signal wire, wherein the second antenna is configured to receive and transmit a wireless signal in a second frequency band; and a third antenna formed by the feeding point, the first signal wire, the second signal wire, the third signal wire, the first frame connecting point, the second frame connecting point and the conductive frame when the first frame connecting point is connected with the feeding point through the first signal wire and the second frame connecting point is connected with the feeding point through the second signal wire, and the third antenna is configured to enhance intensity of a signal in a boundary frequency of the first frequency band, wherein a center frequency of the first frequency band is higher than a center frequency of the second frequency band.