Introduction: The purpose of this study was comparison between emotion regulation strategies and life styles of couples with or without marital satisfaction in Sardasht, Iran. Methods: The population of study was couples of Sardasht in 2014. Number of households in Sardasht 10,491 is in Sardasht, Iran. Number of samples 370 was obtained by Morgan table. Thus, the number of 370 questionnaires was distributed among the people. 185 questionnaires were distributed in among marital satisfaction and 185 questionnaires among non-marital satisfaction were distributed. Cognitive emotion regulation questionnaire and life style questionnaire were used as the outcome measures. To test the hypothesis of the t test and analysis of variance multivariate (MANOVA) and Pearson correlation coefficient were used. Results: The results showed that a Life style and emotion regulation strategy among couples with and without marital satisfaction is the same and there was no significant difference. Also, results showed that there is the relationship between positive and negative cognitive emotion regulation strategies and life style among couples with and without marital satisfaction. Conclusion: Results indicated that emotion regulation strategy have a significant correlation with marital dissatisfaction. Key words: cognitive emotion regulation, life style, marital satisfaction