With the rapid development of automation and information technology, the airport AOC has higher and higher requirements for information display and information scheduling management, and the large screen display and control solution of Kylin A small spacing LED screen can be very good for all kinds of business centralized information management and unified command. The system integrates digital display, multi-screen image processing, signal switching, network and other technologies, can provide AOC with a network centralized monitoring platform, analysis and decision-making platform and command and scheduling platform. Typical features include: flexible partition or full-screen display and control of ultra-high resolution GIS maps, GPS, pictures and surveillance video; low brightness and high gray scale reproducibility to make the screen richer and more delicate; dual backup redundancy design of power supply and signal to support automatic switching without sensors in case of a failure; and multi-signal access to meet the needs of multi-business system display.