Introduction: The aim of present research was to investigate the impact of general family function on identity status in girl high school students. Method: 140 girl students from high schools of Isfahan city selected by available sampling method. Used research tools were family structure questionnaire and Benion & Adams identity status questionnaire. Achieved data analyzed by descriptive and deductive approach in deductive level and factor analysis and multivariate variance analysis test used. Results: There was a significant relation between general family function and diffuse identity, moratorium identity and foreclosure identity, but there was not any significant relation between general family function and achieved identity. Conclusion: Achievement of identity is a subject that not only affected by the general family function but also by other factors such as culture and separation-individuation process. On the other hand, it must be regarded that child effects on parent behaviors and relation between parents and adolescence is bidirectional in the field of behavior disorders and identification.