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In the final assembly stage of military aircraft,there are problems of high control cost caused by the disconnection between quality control and business process and the lack of advanced quality planning. To solve these problems,insufficient quality planning and high control costs in the military aircraft final assembly stage,APQP(Advanced Product Quality Planning)application guide suitable for the military aircraft final assembly stage is proposed by improving the APQP guidance material of the IAQG(International Aerospace Quality Group),including theoretical models,core content and key elements,etc. The application effect of the military aircraft assembly APQP in process optimization and management,risk identification and control are verified on the aero-engine installation. The results show that the military aircraft assembly APQP is beneficial to predict and reduce risks,reduce process changes,improve military aircraft quality and delivery efficiency.