The principle of airborne celestial-inertial integrated navigation is described, and the advantages of the application of celestial navigation in the long range and long endurance aviation airborne platform is highlighted. Firstly, the research status of airborne celestial-inertial integrated navigation at home and abroad is introduced, and the development gap between home and aboard is compared. Secondly, the airborne platform requirements of celestial integrated navigation are analyzed, the current technical challenges are summarized, and the future technical research direction and development trend are discussed.