Introduction: Patients' satisfaction (PS) is one of the important indicators of emergency care quality and outcomes of health care services. Some researchers believe that improve the work processes and hospital quality are not possible without caring to comments, requirements, expectations, and satisfaction of patients. The percent study was aimed to assess the emergency department (ED) PS of Poursina hospital, Rasht, Iran. Methods: In this descriptive cross sectional study, the samples was selected from 378 patients admitted to ED of Poursina Hospital, Rasht, Iran, 2013. For each patient a check list and a questionnaire, including 37 questions about PS, were filled that had categories like physical comfort and residential aspects, physicians care, nurse care, behavioral aspect, and waiting time for service presentation. Data were analyzed by SPSS version 16. Results: Entirely, 378 patients were entered to the study with mean age of 38.44±17.8 (60.8% male). The mean score of total satisfaction of ED patients was 106.94±13.62 (range: 72-144). The mean score of physical comfort was 33.25±4.76 out of the highest obtainable score of 55, nurse care 25.33±5.13 out of 40, physician care 24.34±3.38 out of 40, waiting time for services 13.42±5.48 out of 30, and behavioral aspects 10.58±2.66 out of 20. There were significant relation among PS, sex (P=0.0001), and the shift of admission (P=0.023). Conclusion: The findings of percent study showed that giving services to emergency clients in various fields such as physical comfort and residential aspects, physicians care, nurse care, and the total ED satisfaction is relatively agreeable. The periodic and continuous assessment as well as comparison of satisfaction and dissatisfaction parameters during the time, before and after performing the changes, could be effectual.