Grounded on current civil aircraft flight test mode, and combined with the features of the data processing and monitoring, this article uses the WPF software programming techniques in visual studio to build a flight data real-time monitoring system based on the structure of data layer, business logic, presentation layer. The routine supervision, analysis, storage, and playback of different type of data completed with WPF data driven model and proper thread allocate source based on a variety of explicit controls, which offers reliable reference for the upcoming revolution of civil flight test technique.