The remote teaching and remote meeting application scheme realize the Synchronous Transmission of the data, video, audio; break the bottleneck that only the video and sound can be got, but the writing can not be seen in common  remote teaching. The teacher and the students or the attendees can share the meeting information, discuss interactively, revise or note through interactive white-board. The operation of remote communication is greatly improved, and the teaching and the meeting communication are made more intuitionistic and convenient.