As the most important part of lighting system, lighting finished products provide lighting for modern civil aircraft,whose quality and control status related to quality and reliability of the product for civil aircraft. From the angle of protection for component level test of modern civil aircraft, this article focuses on main technical features, test items, key technology and application in the field of production and test for key testing technology of lighting finished products，and it emphasizes its important application value in the quality control of finished products, system assembly quality and effectiveness.