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Flight test is the key stage to verify and confirm the performance of the aircraft. The Flight Test Instrumentation is an important part of this stage. At present, there were mature test methods and test equipment for military aircraft, but the flight test instrumentation for civil aircraft especially for large civil aircraft is still in its initial stage. With the development of national large aircraft, the flight test demand was clear. Based on the analysis of characteristics of the flight test instrumentation, also the analysis of the development of foreign test technology and the present situation of domestic technology, this paper presents an overview of the current challenges in the development of technology and the source of the problem. It also puts forward the development strategy to deal with the challenge.And follow-up the research direction.