Polarization imaging technology is an important research aspect of imaging technology in China and foreign countries, which has important application value. The principle, composition and characteristics of infrared polarization imaging system are introduced. The research status of the technology in China and foreign countries is introduced. The potential advantages on manual target identification of MIR/LIR polarization imaging devices and infrared polarization imaging technology are analyzed. Finally, the development of infrared polarization imaging technology is forecasted.