Objective: The purpose of current study is to determine the impact of emotional intelligence training on job satisfaction among nurses working in Intensive Care Units. Methodology: The design of this randomized trial is a randomized clinical trial. To do this, from December 2003 to May 2012, 74 qualified individuals from selected nurses who were qualified in intensive care units were selected through available sampling. 34 of these individuals were in the experimental group and 34 in the control group were randomly assigned. The data had been collected using three questionnaires: demographic questionnaire, emotional intelligence and job satisfaction questionnaire that were prepared according to the Likert scale. Nurses had completed the questionnaire before and immediately after intervention in both groups. In current study, the individuals in the experimental group had emotional intelligence training for two months, eight sessions of 90 minutes and once a week. There was not any intervention in the control group. Data were analyzed by SPSS software version 22 by descriptive - inferential statistics. Results: The results of the research indicated that the mean scores of emotional intelligence like the job satisfaction scores of nurses working in the special sections of the test group in the post-test phase were increased. Conclusion: Emotional intelligence training sessions have been impacted in increasing emotional intelligence and nurses' job satisfaction and can be used as an important educational component for mental health of nurses.