The invention provides a camera base for a video conference system. The camera base is electrically and mechanically connected to one or more second cameras in a detachable manner, and comprises a first camera, communication interfaces, and a processing unit, wherein the first camera is configured to capture a first video of a panoramic picture of a video conference environment; the communicationinterfaces are configured to achieve communication connection between the camera base and the video conference system as well as between the camera base and the one or more second cameras; and the processing unit is operably coupled to the first camera and the communication interfaces, and can carry out the following steps in a programmable manner: determining a view finding picture based on characteristics of the first video, generating a first control signal and sending the first control signal to control the one or more second cameras to capture a second video of the view finding picture, and outputting the second video. The invention further provides a corresponding video conference method.