Background and Aim: Internal Evaluation is an appraisal of abilitieshttp://mrj.tums.ac.ir/files/0allsites/wysiwyg_en.gif and potentials. The Internal Evaluation process, especially in an Educational Department, is an effective mechanism of the Departments quality process. The Aim of this research was to determine level of factors in the Occupational therapy Department and determining points of the strength, weaknesses, opportunities and threats of the Occupational therapy department in order to improve the programs and activities after this research.

 Material and Methods: This research was descriptive and analytical study. In this evaluation, nine important factors were taken into account. These include:  1- missions statement and goals 2- managerial and organization structure 3- faculty members 4- students 5- educational course and curriculum 6- graduate students 7- educational and research facilities and equipment 8- research 9- quality of treatment. Data were collected by questioner. Results were analyzed descriptively and were expressed as raw data and percentage. Scores of 49.9% was undesirable, between 49.9% and 74.9%, and more than 75% were desirable and very desirable, respectively.

 Results: The nine above factors were scored as follows: 1- missions statement and goals (very desirable 4.06, 81.2%) 2- managerial and organization structure(very desirable 3.95, 79%) 3- faculty members (desirable 3.63, 72.6%) 4- students(desirable 3.1, 62%) 5- educational course and curriculum (desirable 3.56 , 71.2%) 6- graduate student (undesirable 2.25 , 45%) s 7- educational and research facilities and equipment (desirable 3.18, 63.6%) 8- research (desirable 3.11, 62.2%)  9- quality of treatment(very desirable 4.22, 84.4%) The score of the Occupational therapy department, as the main factor is 3.44 out of 5 that is 68.1%.

 Conclusion: An analysis of the findings of this research study led to the understanding that the Department of Occupational therapy was desirable.