The large-screen navigation of Zhilian Airlines is a navigation system applied in the aviation field. Users can view maps, weather, flight routes and other aviation information through the large screen display. Before using the large-screen navigation of Zhilian Airlines, it is necessary to input information such as flight route and flight altitude into the system, and the system will automatically calculate the appropriate flight route and parameters according to these information. Users can operate through the interface provided by the system, such as zooming in and out of the map and selecting different layers. The large-screen navigation of Zhilian Airlines adopts large-screen display, which is more convenient for users to operate and observe. At the same time, it also improves the operation efficiency, reduces the risk of operational errors and improves aviation safety.