Video frequency communication establishing method based on instant communication

The invention discloses a method for establishing a immediate video communication, including: it activates the video-camera of the requesting party on receiving a video connection request, then it catches and processes the current video screen to form video files of the requestor. Then, it bears the video files to the video-connecting request and sends it to the requested party. After that, the requested party receives and processes the video files when it receives the video-connecting request, then it shows the video files on the communication-window of the described requested party, then it establishes a video-connection between the requesting party and the requested party when the described requested party receives the video-connection request.