Researchers have largely overlooked the direct effects of household responsibil-ities on earnings in stead focusing attention the effect of woman's employment on the division of household labor or on family life. Given that a substantial proportion of married women already work outside the home and their numbers are likely to be increae to some extent those concerned with the well-being of employed-married women and of their households may focus their attention on how best to provide good policy to manage woman's dual roles. The purposes of the study are as follows; 1) To find out factors which affect women's housework time. 2) To examine the relationship between housework and market work. Data are obtained from 259 households with employed-married women living in Seoul. The results of this study are as follows: 1) women's wages are reduced by time spent on housework. Women's housework time is insignificantly related to women's wages. 2) women's occupation statues is signific ntly positively related to their wages. 3)women's age and other family income are generally negatively related to their housework time,. The results of this study indicate that housework has a direct effect on wages by reducing the amount of energy and efforts available for market work lowering economic status of women.