The small-pitch large-screen display system is a window for realizing virtual meetings through network communication technology, so that geographically dispersed users can gather together to exchange information through graphics, sound and other methods, and support people to conduct real-time information exchange and communication at a distance. Share and collaborate. This system is widely used in network video conferencing, collaborative office, online training, telemedicine, distance education and other aspects. With the maturity of video conferencing technology, users have also put forward higher requirements for the display quality of graphics, images and text, and the natural advantages of high-definition small-pitch LED display products in meeting such requirements will enable small-pitch LEDs The display screen display system is more favored by the application field of the conference system.