Abstract: With the promotion of aeroplane performance and complication of battle environment，environmentaladaptability requirements for airborne electronic equipment are increasing．For structural design of airborne electronic equipment，more attention should be given to improving the viability of electronic equimpent in harsh environment．In this paper，the impacts of mechanical environment，climate environment and electromagnetic environment on the performance and reliability of airborne electronic equipment are analyzed．All environmental factors are emphasized to be taken into account in structural design and relevant solutions about mechanical strength，cooling，“three proof”design and electromagnetic compatibility are expatiated，the quality and environmental adaptability of electronic equipment are thus improved．