Background: According to the organizational intelligence to increase access of the knowledge in organizations and can to create competitive advantage in order to improve efficiency & effectiveness in organization, but that are affected by the structural dimensions of centralization, formalization, complexity (which reflects the characteristics of the internal organizations). This study aimed to investigate the relationship between organizational structure & organizational intelligence in Arak Medical University affiliated teaching hospital was performed.

Materials and Methods: In this study, the research community was comprised official staff that have high school diploma, working in hospitals that were selected for this study by sample stratified random studied. Tool for data collection, was questionnaire Robbins organizational structure and standardized questionnaire Alberkht about organizational intelligence. After confirming the validity and reliability of questionnaires, these were distributed between colleagues in teaching hospitals and then were collected. Using data collected from 16 SPSS software testing was analyzed by Spearman correlation coefficient.

Results: From 87 respondents, most of them have had a bachelor's degree and about 52 people who (74%) had experience about five years. The results were shown of the significant correlation between the organizational structure &intelligence in teaching hospital (r=-0.612 and p=0.001). The relationship between the complexity of organizational with organizational intelligence was not significant (r=0.157 and p=0.53), but by two other organizational dimension of structures (i.e., degree of formalization, centralization) with organizational intelligence was obtained significant respectively (r=-0.693 and p=0.001) and (r=-0.711 and p=0.001).

Conclusion: Based on findings from this research, teaching hospitals must be review current situation about organizational structural dimensions particular through decreasing centralization, formalization, to provide necessary field for developing and implementation of organizational intelligence