The purpose of the current research was to investigate the relationship between attachment styles, differentiation of self and  feeling of guilt with moral commitment. the design research is descriptive- correlation.  The participants were 221 female married students in Ahvaz who were selected using  available sampling method.The instruments used were Behavioral Practices Questionnair, Marita Commitment Questionnaire, Differentiation of Self Inventory, and Test Of Self-Conscious Affect. The results showed that in level of  p≤0/001  between secure and  insecure attachment style with moral commitment were meaningful relation and in order of positive relationship and negative one. Between differentiation of self with moral commitment were meaningful and positive relationship level of  p≤0/001 and Between feeling of guil with moral commitment were not meaningful relationship and correlation between them Was refused. In addition,obtained results from regression analysis using simultaneous stepwise method showed that predictor variables can explain 0/81 of moral Commitment, which is significant in confidence level of  p≤0/001. moral commitment will be shown in various aspects if a person has secure attachment style and ability to recognize and express his or her emotions.