In recent years, organizations and various companies have started to join the knowledge process and new concepts such as knowledge work, work knowledge, knowledge management, and knowledge organizations, representative the intensification of this trend. "A considerable amount of knowledge management is common sense, but it's not common." To achieve the potential benefits of knowledge management, a systematic approach is required. The essentialities of this approach are explained in the following. Knowing that what you know (and what don't know). It is often supposed that this essential knowledge has been well understood, but for review and investigating about hypotheses, carrying out knowledge consideration is usually a good point for authenticating of the resources and knowledge usage. This should: Specifies the key areas of knowledge that require effective management, and evaluates the quality of information; Specifies the gaps in preparation of knowledge and discovers the repetitions; Specify the holders of key knowledge and reveal the vulnerable areas; Refers carefully to barriers at knowledge flows across the organization;