Introduction : There was always a kind of attitude interaction between family, community and sub-systems related to it during history. Attitude of different generations to the categories related to the family is considered as an important criterion for evaluating changes and differences between generations. Accordingly, the present study aimed to compare the value system of two generations. Method: This is a descriptive after event study. The sample was 200 persons consisted of 50 fathers, 50 mothers, 50 daughters and 50 sons. The instrument wass “value system questionnaire” and all data were analyzed by using descriptive statistics and T-test. Results: The results showed significant difference between child and parents in the personal values (p>0.05). The collected results from intensity of orientation of parents and child showed significant difference between parents and child in family, socio-economic, political, art and religion values (p>0.05). Conclusion: Lack of significant difference in terms of most categories of value systems between parents and children showed a concurrence between the two generations’ value systems. Also, being more the intensity value orientation of parents than children shows that the parents have more ciliated value system and are more committed to the values.