please correct my translation Premarital sex is forbidden in Iran but the study of Social Change, indicate a slow but extensive changes in recent years in Iran. Iranian society is gradually faced drastic changes in values and norms by economic and communication globalization and also the development of modernity process. A few studies show that Premarital sex is rising in Iran. The scope of this research is the study of globalization effects on the formation of new patterns of Premarital sex in Iran. The approach of this study is Qualitative. In this study, fifty-four boys and girls who have experienced Premarital sex were interviewed . The Results show that Premarital sex has formed into different species and adopted with their new situation in societies like Iran. Hidden layers of urban relationships Show different patterns of premarital sex