The aim of this survey is to study the factors affecting couples' tendency to divorce in Darab. The theoretical framework of this survey has been designed by a synthesis of family and deviation theories. Family theories include the theories of exchange, family development, systems, roles and network. Social deviation theories include Durkheim and Merton's theories. Data for this study has been collected by interviewing 150 men or women who had come to court to submit their divorce application. There were 115 women and 35 men out of 150 persons who were interviewed. The data were analyzed by descriptive and analytical statistics. In multivariate regression analysis for predictive equation of woman's tendency for divorce, variables including period of knowing and joint life and age difference could explain 64 percent of the dependent variable variation, and for men, variables including period of knowing, age difference and number of children could explain 77 percent of dependent variable variations.