In this study, the relationship between membership in social networks and marital satisfaction has been investigated. The aim of this study was to determine the relationship between membership in social networks and marital satisfaction among married women and men in Bafgh city. The research method is descriptive correlational. The statistical population includes all members and non-members in social networks. According to the statistical population, using a single-cluster sampling method, from each neighborhood of the city, 20 individuals were randomly selected, totally 100 (n = 53 non-members, 47 non-members, 62 women and 38 men (from couples 25 to 40 years old) participated in this study. In this research, a researcher made questionnaire on virtual networks and marital satisfaction (ENRICH 1986) has been used. To test the hypothesis of the research, the correlation and t-test were used to determine the sufficiency of membership in social networks. To determine job satisfaction, a coefficient of determination was used; the results of this study indicate that the marital satisfaction of members in social networks Fewer non-members in these networks and membership in social networks will reduce marital satisfaction in the long run. Therefore, the assumptions of the research are confirmed.