Emotional intelligence is the ability to manage and control stress and anxiety, motivation, hope and optimism in the face of obstacles on the way to the target. The aim of this study was to investigate the relationship between emotional intelligence and emotional maturity in students at Kurdistan University of Medical Science 2016. This study was a cross-sectional study on 396 students of Kurdistan University of Medical Science. The instruments of this study were two questionnaires include Baron Emotional Intelligence Questionnaire and Emotional Maturity Scale, respectively. Results were analyzed using SPSS version 22 and statistical analysis use Liner regression and Pearsin Correlation. In this study, 53.3% were females and 46.7% were male. 58.6% of people in the age group 23-21 years. 46.2% of participates had grade point average in the range of 15-12. The correlation between emotional intelligence and emotional maturity and there was a significant relationship (P<0.001). Also, there was a statistically significant relationship (P<0.001) between the components of interpersonal emotional maturity, interpersonal, adaptability, stress management and general mood. Due to the positive effects of the relationship between emotional intelligence and emotional maturity, it is suggested however further studies on students identify factors associated with emotional maturity and careful planning in order to strengthen and increase the emotional intelligence of students take these factors.