In knowledge-based society, it is understood that the knowledge is an essential resources for effective management of the organization. Lately, knowledge management has been accepted by many organization as a new theory of management. But the problem is that people, a component of the organization tend not to open their own knowledge to others, but to keep seeking knowledge of others. It can be found in many research papers that there have been very little efforts for sharing knowledge among members of organization. The purpose of the study is to investigate the reasons for not sharing knowledge or ideas with others, to identify some cultural factors effecting their closed-minded attitude towards the sharing knowledge, and to find the solutions from the organizational culture.