Mehdi Talebian - Student of Accounting Shomal University,Amol,Iran
Mohammad Taghi Khorasani - Department of Management, Shomal University,Amol,Iran
Rohollah Motie - Master of Industrial Management, Islamic Azad University, Firozkoh Branch
Seyed Jafar Hashemi - Master of Industrial Management, Islamic Azad University, Firozkoh Branch

Now, uncertainty is accepted as the main hypothesis, the organizations are obliged to create new knowledge. Thus, in recent years, knowledge management is considered by the organizations and it is used to achieve competitive advantage in the market and increasing organization effectiveness. Knowledge management and the related fields emphasize on the fact that in the global new economy, achieving the stable competitive advantage is contingent upon the ability of the organization in development and correct use of knowledge-based resources in the organization. Knowledge management is including possession of knowledge, wisdom, experience with value added of the employees in the organization , easy recovery and its maintenance as the corporate finance. Knowledge management deals with important issues as organizational adaptability, sustainability in coping with the incremental environmental changes and knowledge management attempts for synergic combination of information processing, IT and inventive ability of human beings. Technology is the information of instruments and the dominant thought is the main element of producing knowledge. Knowledge management is used for the following reasons: Increasing collaboration, improvement of customer services, increasing the organizational awareness of organizational knowledge, improving effectiveness, and effectiveness is a measure to evaluate the performance of the systems and determining the success or failure in achieving the system aims based on consuming the resources.

Knowledge management, Merits and demerits, Knowledge management concept, Knowledge management aims