The purpose of this study was to explore the effects of family and employment characteristics on the psychological well-being of Korean men in their early/middle adulthood. For this purpose total-sample of 415 married white collar male workers in Seoul were selected. Major findings were as follows; First There was no significant difference between early adulthood and middle adulthood in the level of psychological well-being of married male workers. Second marital satisfaction parental role satisfaction and th employment rate of their spouses were higher among men in the early adulthood whereas the rate of specialized and managerial jobs and job flexibility were higher among men in the middle adulthood. Third parental status parental role satisfaction work flexibility job security and job satisfaction significantly affected the psychological well-being in the early adulthood whereas parental status parental role satisfaction the quality of relationship with colleagues and job s tisfaction had significant effects on it in the middle adulthood.