The interactive electronic whiteboard can communicate with the computer, connect the electronic whiteboard to the PC, and use the projector to project the contents of the PC onto the electronic whiteboard screen. At this time, the electronic whiteboard is equivalent to a handwriting board with an extremely large area, which can be written, drawn and displayed on the PC at will, and the file is saved as a graphic file. This function generally requires a special whiteboard software support. PC can connect printers, digital booths and other devices to realize real-time recording of video display, physical display, printing, etc. If a specific application is used, the interactive electronic whiteboard can communicate with other offices and conference rooms through the network to realize network meetings.