The AAR (After Action Review) archive technology is a tool to assist users in implementing qualitative analysis by providing quantitative information to them. This paper first introduces the principle of AAR theory, and then from the point of view of simulation exercises, simulation exercise system AAR filing system design, focusing on data collection, data analysis, drill playback of three core functions of the AAR system. Finally, the technical characteristics and scalability of the simulation exercise AAR archive is introduced.