Introduction: one of common methods for scientific activity assessment is scientometric this is possible with citation databases like Web Of Science (WOS).

Methods: This is a descriptive-applied study. Data were selected via searching in WOS. The research society of the study was 625 records.

Results: Most records of Iran University Medical Sciences have published in 2006 and surgery subject area had highest hits. Immunology subject area had highest co-authorships.

Conclusion:Although co-authorship among authors of this university has dramatic results, scientific products is very low, therefore research policy-makers should consider this aspect.