Technologies and various media have affected social institutions such as family and cause shape changes in relationships within the family. One of the means of communication that are easily and widely used in the household is Internet. With the entrance of media, especially the Internet to the family, changes in personal, social, public and private relationships are occurred. The use of social networks gets more and more popular day by day and it can be said that information technology has become an integral part of life. As social networks in diminish face-to-face relationship which can be especially seen in the relations between spouses. This study aims to evaluate the impact of social networks on the couple's COMMITMENT with descriptive and analytical method. Because the sample in this study is in synchrony with the population, a sample of married couples working at the Red Cross, Social Security Organization and medical universities are selected by convenient sampling technique. Questionnaires are provided after their approval, the sample size is 300 persons. Results show that there is no significant difference in using social networks between genders. There is an indirect significant relationship between using social networks COUPLES’ trust. There is an indirect significant relationship between using social networks COUPLES’ COMMITMENT. There is a direct significant relationship between using social networks COUPLES’ dependence. Finally it can be said that despite the positive results of using social networks, they also have negative consequences such as a kind of alienation called living alienation which is emerging. In other words self-alienated and alien self are occurring.