This study aimed to explore the economic conditions in early intervention through interviewing 7 mothers with developmental delay children. We collected life histories, family economic conditions and cognition of early intervention and analyzed the difference of the intervention arrangements and content. The purposes are to clarify the meaning of the power of economics in early intervention, in order to provide the parents in special needs and give advices to related workers. The conclusions indicate:(a) parents with fine economic conditions are able to choose different therapies; (b) parents with fine economic conditions are prone to search for far but better intervention service agencies; (c) poor parents face significant economic pressure as they struggle to pay more for the cost of early intervention; (d) the economic conditions will affect the ways of taking care of personal health for energy required in early intervention;(e) the economic conditions do not cause the frequencies of early intervention; (f) parents with fine economic conditions are not necessary to hire workers for mitigating the burdens of early intervention; it is depends on the family situations and decided by the primary caregivers. According to the results of the research, some suggestions are provided.