Infrared focal plane array (IRFPA) imaging technology has been matured during the passed decade. In this paper an overview of recent progress to several kind of IRFPA such as MCT, InSb and QWIP is provided , focusing on new device development, technical lines and key technologies. Also, a new type of uncooled FPA imaging technique--micro-optomechanical infrared receiver with optical readout is briefly introduced.