One of the most important resources for any organization, competitiveness and innovation, knowledge management and knowledge sharing in the organization and the process is correct. Despite the importance knowledge sharing, manpower agencies may refrain from doing it. That's why one of the key challenges in knowledge management is how organizations can encourage employees to share their knowledge and to motivate them. This paper seeks to examine the institutional factors
(organizational culture, Structure , organizational support, perceived, the competences technology, methods for motivating, Control Head) knowledge sharing within group and administration building of the Central Bank export of Tehran as a case study , this study selected after reviewing the literature , the definitions and concepts , research has indicated . library and field research methodology and questionnaire and the factors influencing knowledge sharing , to 290 employees and experts of the
distribution of the results stratified random sampling is obtained . In this study, we analyze with, SEM & CFA of software SPSS and Lisrell. Research findings show that organizational structures have the greatest impact on knowledge sharing, have espectively: controlled, then the head, using motivational, technological capabilities, understanding and supportive corporate culture, followed last level. Within the guidelines for the shortcomings in the organization to improve BSI will be presented