A video conference method, comprising: during a conference, operating, by a first terminal, a first application, wherein operating a first application comprises: transmitting a video signal acquired by the first terminal to another terminal participating in the video conference and receiving a video signal from the other terminal participating in the video conference; performing first video processing on the video signal acquired by the first terminal and the video signal received from the other terminal participating in the video conference, and displaying the processed video signal; and when the first terminal detects that one or more other applications on the first terminal are opened, simultaneously operating, by the first terminal, the first application and the one or more other applications on the first terminal, characterised by, when the first terminal detects that one or more other applications on the first terminal are opened, by the first terminal, further performing second video processing and third video processing on the video signal acquired by the first terminal, the video signal received from the other terminal participating in the video conference and an interface image(s) of the one or more other applications on the first terminal, displaying a video signal obtained after the second video processing, and transmitting a video signal obtained after the third video processing to the other terminal participating in the video conference; wherein the second video processing and the third video processing refer to superposition processing on the video signal acquired by the first terminal, the video signal received from the other terminal participating in the video conference and the interface image(s) of the one or more other applications on the first terminal. during a conference, operating, by a first terminal, a first application, wherein operating a first application comprises: transmitting a video signal acquired by the first terminal to another terminal participating in the video conference and receiving a video signal from the other terminal participating in the video conference; performing first video processing on the video signal acquired by the first terminal and the video signal received from the other terminal participating in the video conference, and displaying the processed video signal; and when the first terminal detects that one or more other applications on the first terminal are opened, simultaneously operating, by the first terminal, the first application and the one or more other applications on the first terminal, characterised by, when the first terminal detects that one or more other applications on the first terminal are opened, by the first terminal, further performing second video processing and third video processing on the video signal acquired by the first terminal, the video signal received from the other terminal participating in the video conference and an interface image(s) of the one or more other applications on the first terminal, displaying a video signal obtained after the second video processing, and transmitting a video signal obtained after the third video processing to the other terminal participating in the video conference; wherein the second video processing and the third video processing refer to superposition processing on the video signal acquired by the first terminal, the video signal received from the other terminal participating in the video conference and the interface image(s) of the one or more other applications on the first terminal.