Based on SAE J1899 and SAE J1966,the test methods and procedures of airworthiness certification technology for the piston engine aviation lubricants were introduced,including chemical and physical property test of lubricants,stability test,compatibility with other oils and material,single cylinder engine test and full engine test,which provides the technical support for the corresponding test and research of piston engine lubricants in civil aviation,and the airworthiness certification domestic piston engine lubricants.