It is necessary to correctly understand the characteristics of information studies when it comes to the development of its theories and applications. Information awareness is the core of information service,and it is also a symbolic embodiment of the characteristics of information science. This paper expounds information awareness from several aspects,including the research significance,historical origins,object content,organization and implementation. Information awareness is the understanding,interpretation,and expression on the users’ requirements,target content and intelligence task. The professionals need to do the routine work of collecting,processing and analyzing information by various knowledge tools. It is pointed out that the research on information awareness is a powerful starting point for carrying out intelligence service and academic innovation exploration.