Aims: The psychological ability of nurses on the one hand increases the mental strength of individuals to cope with stressful situations and on the other hand controls many factors that cause job stress. Therefore, this study was conducted to determine the psychological factors and its effect on the ability of nurses.
 Materials and Methods: The present study was a mixed type (qualitative-quantitative) and phenomenological strategy conducted in Al-Ghadir Hospital in Tabriz in 2019. The statistical population of the qualitative part of the study consisted of 15 nurses and the statistical population of the quantitative part of the study consisted of 89 nurses of Al-Ghadir Naja Hospital. Sampling was done by simple random method. The tool used to record the data was a questionnaire that was done in Smart PLS software environment and by survey method with hidden content analysis technique.
 Findings: The findings of open and axial coding showed that the psychological factors affecting the ability of NAJA nurses are in the four areas of self-reliance, shyness, mutual trust and legal awareness. Also, the results of the path test showed that self-reliance has a path coefficient of 0.862, camaraderie has a path coefficient of 0.752, mutual trust has a path coefficient of 0.734 and legal awareness has a path coefficient of 0.948.
Conclusion: Policymakers and managers of the health system should pay attention to the empowerment of nurses who make up the majority of the hospital staff and provide components that improve psychological factors and thus the empowerment of hospital nursing staff. .