Objectives: This reseach study the relationships with opposite sex and the factor effecting in this relations and try to answer this questions: what kind of behavioral attitude the boys and girls have relations and dates and  what is causes of  it and how they behave in this relations?

Method: This research has been done by survay method and with holestic-analytic approach and deductive ends.

Its population was the whole students studied in Islamic Azad Uni in 8th zone with the sample size of 486 persons which chosen by size – appropriate random sampling. the data was gathered through a questionnaire designed by researcher and analyzed by Regression , Variance , T Tests and Path analysis.

Finding: The findings show that gender has the highest effect on the relations followed – up by age , individual and family  religiosity , attitude toward Hejab , marital status , attitude toward mass media and so on.

Results: The result show that there are significant relationships between individual and family religiosity, tendency to Hejab, tendency to mass-media, the use of internet, you show fence conditions as independent variable and tendency to girls and boy relationship and there are significant differences amount student of different fields and between girls intendancy to dating