Background: There is few studies in Iran investigated the viewpoint of nursing students and their trainers regarding preventing and facilitating factors of effective clinical teaching in Islamic Azad University. The aim of the present study was to compare the viewpoint of nursing students and their trainers regarding preventing and facilitating factors of effective clinical teaching.

 Materials and methods: In a descriptive-comparative study, all nursing students (n= 121) and clinical trainers (n= 21) of Islamic Azad University, Maragheh Branch were participated. Data were gathered by a questionnaire. Validity and reliability of questionnaire was determined by content validity and internal consistency (Cronbach’s alpha), respectively. Questionnaires were completed with self-report method. Data analysis was conducted with SPSS,13 software by Mann- Whitney U test.

Results: 21 trainer and 121 students considered facilitating and preventing factors as important factors for effective clinical teaching. There were statistical differences between nursing students and nursing trainers viewpoints regarding facilitating factors of effective clinical teaching (p= 0.003). In other hand, there were no statistical differences between nursing students and nursing trainers viewpoints regarding preventing factors of effective clinical teaching (p= 0.08).

Conclusion: These findings demonstrate the importance of facilitating and preventing factors of effective clinical teaching from the viewpoints of nursing students and trainers of Islamic Azad University. Attention to this factors have important role in improvement of clinical education of nursing students.