Psychological hardiness is considered an effective component on multiple levels of emotions and self-conscious excitements. Objective: This study was conducted with the aim of investigating the relationship between psychological hardiness with four indicators of depression, anxiety, anger, positive affect in women 20-35 years old residing in Rezvanshahr, a city in Guilan province, Iran. The present study was cross-sectional and it was conducted in the framework of a causal-comparative design in 2015 on a sample of 70 subjects (N = 70). The random sampling method was used to select subjects, and according to the nature of this research, the data collection method was a survey approach and in order to gather data the psychological hardiness questionnaire (response rate = 90%) and emotional control scale (response rate = 89%) were used. The Pearson correlation test was also used to analyze the data. Findings: The data analysis showed that there is a negative correlation between psychological hardiness and three components of depression, anxiety and anger and there is a direct correlation between psychological hardiness and the index of positive affect. The findings of this study are in line with the research literature shows the significant role of the psychological hardiness index in explaining the variance of feelings of anger, anxiety and depression. These findings can be useful in planning efficient interventions and paving the way for taking preventive measures.