The aim of this research was to predict of marital attitude through the personality characteristics, attachment styles and Family Environment. This study is a descriptive kind of correlation. The study population consists of students of the Razi University of Kermanshah, A sample size of 359 subjects, stratified random sampling method was chosen. Participants answered to the Spark`s marital attitude, Costa &  McCrae` personality characteristics, Coolins & Read `attachment styles and Moos & Moos`Family Environment.Rusults obtained using stepwise regression and Pearson`s correlation coefficients showed the components personality characteristics, attachment  styles and Family Environment have the ability to predict marital attitude. Also the personality characteristics, attachment styles and Family Environment have a meaningful relationship with marital attitude components. According to the results, we can say that the characteristics, attachment styles and Family Environment are affective factors in the marital attitude and this point can be considered in consultations before marriage.