The present study examined the relationship between demographic factors, emotional expressiveness and marital satisfaction among married women. Method: The study had application aims and was a correlation research. The statistical population was study of all married women in Tehran’s 5th regions, in 1392. The sample included 282 married women who were selected availability. The instruments were Enrich marital satisfaction questionnaire and emotional expression family Halberstat Gray et al. for data analysis Pearson correlation and hierarchical regression were used. Results showed that there is significant and positive relationship between emotional expressiveness and marital satisfaction with education, and significant and negative correlation between age and marital satisfaction with emotional expressiveness. Hierarchical regression results showed that in first step positive emotional expressiveness predicts 0/094 % of marital satisfaction and the entry of negative emotional expressiveness variables in second the power prediction added to 0/062 percent. Also entering the education variable in the third model could be increased to 0/09 %.. With the arrival of the age variables in the fourth model can be get 0/017 percent prediction. Entering marriage length variables in the fifth model the power prediction added to 0/011 percent. Generally positive emotional expressiveness, negative emotional expressiveness, education, age and length of marriage predicted about 19% of marital satisfaction This information can be used in order to develop and implement educational and therapeutic programs to enhance women's marital satisfaction.