Introduction: The use of a computerized system improves the effectiveness and efficiency of a medical record department, when managers and medical record staff design it according to their needs.

Methods: The present study is an applied-descriptive study. The first checklist is provided from professional texts, articles and internet. Having interviewed with medical record users, the researcher determined their needs in general requirements of HIS, general requirements of medical records department, medical records management, admission, discharge, statistics, coding, filing and chart completion. Then the characteristics of systems were determined by means of observations and questions and the percentage of compatibility between systems and needs of medical record users was calculated. 

Results: Our findings showed that totally average of compatibility between systems and needs of medical records users is 54 %. There are the least conformity in coding and filing and chart completion and the most conformity in medical records management and discharge. Our findings also showed that the users' needs are regarded by venders of systems and often they have met earlier and more important needs.

Conclusion: It is imperative that venders with support of managers regard more and more to users needs in order to improve systems.