Journal homepage: www.zums.ac.ir/jhehp Background: Emotional quotient is the ability to manage and control the anxiety, tension, hope and optimism in the face of obstacles on the way of achieving the purpose. The purpose of this research is to investigate the relationship between the emotional quotient and emotional maturity in the students of Kurdistan University of Medical Sciences in 2016. Methods: The present study was a cross-sectional study carried out on 396 students with mean age of (M = 22.14, SD = 21.14). Data was collected through two questionnaires including BarOn Emotional quotient Inventory (EQ-i) and Emotional Maturity Scale (EMS). The results were analyzed using SPSS version 22 and linear regression and Pearson's correlation tests. Results: The results showed that there's a significant relationship (P≤0.001) between emotional quotient and emotional maturity, also, between the emotional maturity with the Interpersonal Component (P≤0.001), Intrapersonal Component (P≤0.001), Adaptability Component (P≤0.001), and Stress Management Component (P ≤0.001) And General Mood Component (P≤0.001). Conclusion: Based on the results of this study, it is proposed that researchers carry out greater studies in students, identify factors associated with emotional maturity and develop precise plans in order to strengthen these factors and increase the rate of emotional quotient in students.