1. A method for implementing a video conference, comprising: obtaining in real time an image of a first scene from a main camera located in a first conference site; obtaining in real time an image of a second scene from an auxiliary camera located in the first conference site, wherein the second scene is a part of the first scene, and wherein the second scene comprises a target object; generating a target image in real time according to the image of the first scene and the image of the second scene and based on a location of the target object in the first conference site, wherein a location of the image of the second scene in the target image corresponds to the location of the target object in the first conference site; and sending the target image in real time to a display device located in a second conference site such that the display device plays the target image.