To enhance the capability in designing verification flight test methods for civil aircraft using flying test beds, analyze the test flight requirements of domestic civil aircraft airborne equipment/technology, define the technical path for flight test methods of civil aircraft based on flying test bed, from the aspects of test flight requirements, test operation method design, test modification design, risk analysis and evaluation, monitoring design, criterion design, and data analysis method design. For developing a systematic design process of flight test methods, and use this method to complete BDS validation flight, which can provide a reference for the design and implementation of validation flight for future flying test bed validations.