Firstly, the purpose and the significance of developing simulation test system used for photoelectronic countermeasure are discussed. Secondly, the actuality and the development of domestic and foreign simulation test systems used for photoelectric weapons are expatiated, and the general composition of simulation test system used for photoelectronic countermeasure is introduced. Finally, the routine test content and the test flow of photoelectric weapons are simply given, and the methods that may be used for the simulation test are discussed.