Coping resources may be a crucial aspect in single mothers' and their childrens' adjustment. Using a survey data collected from 275 pairs of single mothers and their children, this study investigated the perceived effects of economic resoures, family relational resources, and social support on positive changes of both mothers and their children. Results revealed that both mothers and their children perceived positive changes of themselves and their children(mothers) relatively high. The degrees of positive changes of mothers were influenced mostly by family relational resources. In the same token, the degrees of positive changes of children were also affected by family relational resources. Overall, the findings suggested the importance of relational resources in explaining the positive changes of single mothers and their children.