Background and Objective: Any jobs contain ethical codes that are proportional to their special structure and are called professional ethics. University professors, who are responsible for education and training of students, should be aware of their professional ethics and by making commitment to them, guarantee safety of teaching-learning process. This study was conducted to assess faculty members' professional ethics from students' viewpoint of medical school of Shahed University.

Materials and Methods: This descriptive-sectional study involved 90 students who were selected by stratified random sampling. Research tool was a researcher made questionnaire containing 6 components and 48 items and its content and face validity were approved by experts and its reliability was determined 0.92 by Cronbach's alpha coefficient. Data analysis was carried out using SPSS 20 statistical software and through descriptive statistics and one-sample-T test.

Results: professors' characteristics (3/40±0/71), mastery of subject (3/39±0/79), mastery of teaching methods (3/33±0/86), recognition of different aspects of learners (3/04±0/82), standard evaluation (3/42±0/86) and commitment to university regulations (3/63±0/83) which are different dimensions of faculty members' professional ethics, were evaluated higher than the average level.

Conclusions: Endeavoring to prepare and codify professional ethics charter in universities with collaboration of authorities and experts on the one hand and putting them in curriculum content of in-service teachers on the other hand can help much to improve faculty members' teaching method.