Background: The studies have shown that mental health and irrational beliefs play an important role in family and career, and it seems that self is influenced by the working conditions of teachers. This study aimed at comparing mental health and irrational believes of ordinary and special primary schools teachers of Yazd province.

Method: The population includes all teachers of ordinary and special primary schools of Yazd in 2013. The sample of the study (60 teachers of special school and 60 teachers of ordinary school) was taken by census and targeted sampling. For data collection, the questionnaire of irrational believes of Jones IBT and Goldberg mental health (GHQ) was used. The processing data using descriptive and inferential statistics (ANOVA and multiple regression multivariate input method) was performed.

Results: Data analyzing was performed using descriptive and inferential statistics and results confirmed the research hypotheses. It shows that there was a significant difference between irrational believes and mental health of ordinary and special primary school teachers (p<0/001). Regression analysis show that irrational believes; demand for approval by others, tendency to blame, and avoiding possible problems in ordinary school teachers and perfectionism can predict mental health of special school teachers.

Conclusion: According the obtained results, it can be concluded that change of irrational believes in special school teachers will result in changes in their behavior and social adjustment, and better mental health.