Embodiments of the disclosure disclose user equipment and a method for data transmission, and the user equipment includes: a USB Type-C interface, a USB physical layer, an audio codec and an analog switch device. A left channel terminal and a right channel terminal of the audio codec and a data transmission terminal of the USB physical layer multiplex D+ and D− pins of the USB Type-C interface. The first analog switch device is configured to, when detecting that an analog audio cable is inserted into the USB Type-C interface, switch the D+ and D− pins of the USB Type-C interface to connect the left channel terminal and the right channel terminal of the audio codec, respectively.