A terminal having a communication function, comprising: a first multiband antenna; a second multiband antenna; a radio frequency transceiver comprising a primary carrier wave port and a secondary carrier wave port; and a switching control circuit electrically connected with the primary carrier wave port, the secondary carrier wave port, the first multiband antenna and the second multiband antenna; wherein the switching control circuit is configured to: (i)connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna if a signal quality of the first multiband antenna meets a preset quality condition, (ii) if the signal quality of the first multiband antenna does not meet the preset quality condition and a signal quality of the second multiband antenna meets the preset quality condition, connect the primary carrier wave port with the second multiband antenna and connect the secondary carrier wave port with the first multiband antenna; (iii) if the signal quality of the first multiband antenna does not meet the preset quality condition and the signal quality of the second multiband antenna does not meet the preset quality condition, connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna. a first multiband antenna; a second multiband antenna; a radio frequency transceiver comprising a primary carrier wave port and a secondary carrier wave port; and a switching control circuit electrically connected with the primary carrier wave port, the secondary carrier wave port, the first multiband antenna and the second multiband antenna; wherein the switching control circuit is configured to: (i)connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna if a signal quality of the first multiband antenna meets a preset quality condition, (ii) if the signal quality of the first multiband antenna does not meet the preset quality condition and a signal quality of the second multiband antenna meets the preset quality condition, connect the primary carrier wave port with the second multiband antenna and connect the secondary carrier wave port with the first multiband antenna; (iii) if the signal quality of the first multiband antenna does not meet the preset quality condition and the signal quality of the second multiband antenna does not meet the preset quality condition, connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna. (i)connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna if a signal quality of the first multiband antenna meets a preset quality condition, (ii) if the signal quality of the first multiband antenna does not meet the preset quality condition and a signal quality of the second multiband antenna meets the preset quality condition, connect the primary carrier wave port with the second multiband antenna and connect the secondary carrier wave port with the first multiband antenna; (iii) if the signal quality of the first multiband antenna does not meet the preset quality condition and the signal quality of the second multiband antenna does not meet the preset quality condition, connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna.