An audio output method, applicable to a first terminal device, the method comprising: encrypting a system authentication account of the first terminal device and sending a broadcast message; determining that a system authentication account of a second terminal device is consistent with that of the first terminal device according to an acknowledgment feedback message received from the second terminal device, the acknowledgment feedback message indicating whether decryption of the broadcast message succeeded; and establishing a network connection between the first terminal device and the second terminal device using a same system authentication account; receiving an audio output request from the second terminal device, the first terminal device is currently connected to an audio output device, a priority of a voice service corresponding to the audio output request is higher than a priority of a current output service of the audio output device; converting the audio output request into a second audio signal, wherein the second audio signal is used for prompting the user that there is the audio output request from the second terminal device by using a voice; outputting an audio mixed signal including the second audio signal and a third audio signal to the audio output device, so that the audio output device outputs the second audio signal and the third audio signal, wherein the third audio signal is an audio signal from the first terminal device; sending an audio output request response to the second terminal device in response to an operation of a user, wherein the audio output request response is used for triggering the second terminal device to obtain audio data corresponding to the audio output request; receiving the audio data from the second terminal device; and outputting the audio data to the audio output device, so that the audio output device outputs a first audio signal corresponding to the audio data. encrypting a system authentication account of the first terminal device and sending a broadcast message; determining that a system authentication account of a second terminal device is consistent with that of the first terminal device according to an acknowledgment feedback message received from the second terminal device, the acknowledgment feedback message indicating whether decryption of the broadcast message succeeded; and establishing a network connection between the first terminal device and the second terminal device using a same system authentication account; receiving an audio output request from the second terminal device, the first terminal device is currently connected to an audio output device, a priority of a voice service corresponding to the audio output request is higher than a priority of a current output service of the audio output device; converting the audio output request into a second audio signal, wherein the second audio signal is used for prompting the user that there is the audio output request from the second terminal device by using a voice; outputting an audio mixed signal including the second audio signal and a third audio signal to the audio output device, so that the audio output device outputs the second audio signal and the third audio signal, wherein the third audio signal is an audio signal from the first terminal device; sending an audio output request response to the second terminal device in response to an operation of a user, wherein the audio output request response is used for triggering the second terminal device to obtain audio data corresponding to the audio output request; receiving the audio data from the second terminal device; and outputting the audio data to the audio output device, so that the audio output device outputs a first audio signal corresponding to the audio data.