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Software testing is an important means to improve the quality of software products and reduce the cost of software maintenance.Aiming at the quality evaluation problem of high safety key airborne software testing,a whole life cycle is put forward in combination with the life cycle of airborne equipment development, the life cycle of airborne software development and the testing stage of aero airborne software.The quality evaluation model based on four stages of software development process testing, independent testing, finalization testing and user use evaluation is established, which includes 4 activities and 18 measure elements,such as test requirement analysis and planning quality,test design and implementation quality,test execution quality and test summary quality. Through engineering practice,it is proved that the method is feasible and has the characteristics of more complete evaluation elements,more reasonable evaluation model and more objective evaluation results. It provides a new method for solving the quality evaluation of airborne software testing, and can finally achieve the goal of reducing the cost of software maintenance and improving the quality of software testing.