THE PURPOSE OF THIS STUDY WAS TO PROVIDE A HYPOTHESICAL MODEL OF RELATIONSHIP BETWEEN PERSONALITY DEVELOPMENT (SELF-DIFFERENTIATION, EGO Centrism, EGO STRENGTHS & FACTORS PERSONALITY) AND MARITAL SATISFACTION IN THE MARRIED OF QOM IN SOLAR 1393HJRY.THE POPULATION OF THIS STUDY CONSISTED OF ALL COUPLES COUNSELING CENTER IN QOM IN 1393. A SAMPLE OF THIS COMMUNITY OF 350 MARRIED REFERRED TO AS COUNSELING CENTERS WERE RANDOMLY SELECTED. TO COLLECT THE REQUIRED DATA FROM THE QUESTIONNAIRES (PERSONALITY DEVELOPMENT QUESTIONNAIRES: SELF-DIFFERENTIATION QUESTIONNAIRE, PERSONAL FABLE QUESTIONNAIRE, IMARGINARY AUDIENCE QUESTIONNAIRE, EGO Centrism QUESTIONNAIRE, EGO STRENGTHS QUESTIONNAIRE & CATTLES 16FACTORS PERSONALITY) WERE USED IN THIS STUDY. INFIRST PHASE, RESULT OF PATH ANALYSIS SHOWED THAT OUR PROPOSED MODEL IS NOT FITTED MODEL. SO IN ORDER TO ACHIVE A FITTED MODEL, WE ASSUMED THAT REMAINED VARIANCE IS CONSTANT, AND THE BASIC MODEL IS THEN ANALYZED. THE RESULTS INDICATED THAT IN THIS SITUATION THE MODEL IS FITTED PERFECTLY. COMPARED TO THE FIRST MODEL IN THE NEW MODEL ONE OF THE PATHS WAS REMOVED.