Introduction: The current research was administered with the aim of studying the structural model of the relationship between bullying in hospital environments and negative effect and psychosomatic complaints.

Methods: The research method was correlational and the statistical population comprised of female nurses of a public sector hospital in Esfahan city during year 2015, amongst which two 243 nurses were selected by accessible sampling. Research instruments were the bullying questionnaire, negative affect questionnaire, and psychosomatic complaints questionnaire. Data were analyzed using Pearson's correlation coefficient and Structure Equation Modeling (SEM).

Results: Results indicated that, there is a positive and significant relationship between six components of bullying with negative affect and psychosomatic complaints. The results of Structure Equation Modeling (SEM) revealed that bullying both directly and indirectly (through negative effect) has a significant relationship with psychosomatic complaints. In other words, negative affect is a partial mediator of the relationship between bullying and psychosomatic complaints in female nursing staff.

Conclusions: The results of this study showed that bullying through reinforcing negative effect can increase psychosomatic complaints of female nurses.