Background & Aim: Due to increasing urbanization, diet changes, and sedentary lifestyle in today's world, the incidence of certain chronic diseases is dramatically increased. This study is designed to investigate the lifestyle of nurses as individuals that play an important role in educating healthy lifestyle in different groups of people.

Methods & Materials: This cross-sectional study was carried out on 300 nurses working in Shiraz University Hospitals as study group. Subjects were selected through stratified random sampling by means of a questionnaire including different questions about lifestyle. The statistical tests of the 11.5 version of SPSS software were used for data analysis; these tests included t-test, One-Way ANOVA test, Kruskal Wallis H-test and Spearman correlation.  P-Value was considered statistically significant at >0.05.

Results: Research analysis showed that 54% of the study group had average conditions in their diet, 60.3% had moderate physical activity and 76% had intermediate and poor conditions in mental health. 44.6% of individuals had got poor grades in personal health care and 62% had got poor grades in disease prevention activities. 96.3 per cent of nurses did not smoke and 95.7 per cent of individuals did not ever consume alcohol.

Conclusion: According to the results of this study, nurses, in spite of being educated and having important role in patients' education, do not have desirable lifestyle.