Introduction: In the health care organizations nurses are the largest human resources and play a major role in the quality of services, thus their satisfaction and lack of professionalism conflicts affects the success of the service deliver, So the purpose of this study was to comparison of interpersonal conflicts, Gender beliefs and job satisfaction in male and female nurses in Department of Psychiatry PanjAzar Hospital in Gorgan.
Methods: The statistical population of the study was all nurses of Department of Psychiatry, PanjAzar Hospital in Gorgan. This descriptive study was a comparative study conducted in 2018. The statistical population of this study was all nurses of men and women who number (52 women and 50 men) were selected by simple random sampling method. The data were extracted using the Minnesota Job Satisfaction Questionnaire (MSQ), Bem Gender beliefs Scale (BSRI), and Spector and Jacks Interpersonal Conflict Questionnaire (ICAWS). Also, multivariate analysis of variance analysis using SPSS24 software was used. 
Results: The results showed that there was a significant difference between job satisfaction in male and female nurses, but there was no difference between interpersonal conflicts and gender role beliefs male and female nurses. 
Conclusion: It can be seen that the difference in satisfaction between the two groups is due to the characteristics of interpersonal conflicts and gender role beliefs. Therefore, in order to identify the satisfaction of nurses 'work, reviewing other psychological constructs can be a more effective determinant in increasing nurses' job satisfaction.