The bomber is the main platform of air-based nuclear deterrence.As an important part of the sensor system,the photoelectric detection systems undertake the mission of target detection,tracking,identification and fire guidance attack.In this paper,the typical photoelectric detection systems of American bombers,Russian bombers and Chinese bombers are introduced,the influence of photoelectric detection systems on improving the operational effectiveness of bombers is combed,and the development direction of bomber photoelectric detection system is analyzed.