Introduction: Rcently the focus of attention of patients and care givers has shifted to non-pharmaceutical methods, that so called “complementary medicine”.one of the key roles of nurses is pain relief that should be applied in this direction.

Aim: The aim of the present study was identifying of barriers to use of complementary medicine (non-drug) in pain relief of patients by nurses, from the views of nurses and supervisors.

Method: A descriptive - cross-sectional study was done in one of the selected hospital in shahrekord in 1391, that all nurses of medical-surgical wards(23)and supervisors(7) participated in it. Data was collected by two questionnaires 1- demographic questionnair 2- barriers to use of complementary medicine in pain relief questionnaire with 21 item in 4 domains: nurses personal barriers, managerial barriers, executive, patients personal barriers based on likert scales.this questionnaire is made of by researcher.Contentvalidity was dones with use of literatures and based on knowledge and reliability was done with test-retest (α=0/88).

Results: The findings showed, that the majority of nurses were 30 to 40 years(56/67%) and 33/34% of them had 1 to 5 years experience. In the Supervisors, the majority of them were 40 to 45 years (85%) and 71% of them had 15 to 20 years experience. The greatest barrier to the use of complementary medicine in relieving pain that mentioned by nurses and supervisors was lack of knowledge of nurses in this field. The 20 of nurses (86/95%) and 6 of supervisors (85/71%) agreed with lack of knowledge of nurses.

Conclusion: Regarding the most barriers to use of complementary medicine was the lack of knowledge of nurses, applicable in service training as a strategy is recommended.