The purpose of this study was to compare the changing family values between husbands and wives, and between parents and their early adult children. More over, this study attempts to clarify the impact of changing family values on family strengths. For this purpose, the family value scale and the family strengths scale were administered to the 221 families in Seoul area. The frequency distribution, percentile, mean score, paired-t test, regression analysis were used for data analysis and the results are as follows: 1. There are significant differences in changing family values between husbands and wives, and between parents and their adult children. That means wives and early adult children are significantly modernized than their counterparts. 2. Socio-economic status impacts on the family strengths of husbands, wives and their early adult children. 3. Husband`s family strengths tends to be higher when he has equal attitude toward sons and daughters, traditional attitude toward alternative life style and modern attitude toward supporting older parents. 4. Wive`s family strengths tends to be higher when she has traditional attitude toward alternative life style. 5. Early adult children`s family strengths tends to be higher when they have patrilineal kinship attitude and traditional filial piety.