Purporse: This study was performed to compare the level of family functioning, mental health and dyadic adjustment between the employed and unemployed mothers and obtain correlations among above 3 variables. Method: The study was designed as a correlational survey research. The subjects were consisted of 79 employed and 80 unemployed women who had child 3-6 years children. Data were collected with self-reporting questionnaires translated into Korean from Feetham Family Functioning survey, Mental Health Inventory(Veit and Ware) and Spanier`s Dyadic Adjustment Scale. Result: There were no significant differences between the employed and unemployed mothers in the exiting and desired level of family functioning, mental health and dyadic adjustment. The unemployed mothers were significantly higher in the importance about family functioning than the employed mothers. There were significantly negative correlation between the existing family functioning and negative emotion(anxiety, depression, loss of cotrol) and positive correlation with positive emotion. There was significant positive correlation between the existing family functioning and dyadic adjustment. The level of dyadic adjustment was negatively correlated with the level of anxiety, depression and loss of behavior/emotional control and positively correlated with the level of pleasure emotion and emotional ties. Conclusion: The level of family functioning, mental health and dyadic adjustment of the employed and unemployed mothers were same. The higher scores of family functioning and dyadic adjustment got, the level of mental health was.