The purpose of this research is to investigate the delivery system and role of Metropolitan, Provincial, and District Childcare Support Center that plays the pivotal part of childcare, in the 1st step of a discussion about integration of early childhood education and childcare. To attain such a purpose, this study conducted in-depth interview of five childcare professionals and childcare center heads, to analyze based on all the pertained data. The research results are as follows. Firstly, childcare support centers play a crucial role in supporting high-quality education in early childhood education institutions. They perceive activities such as childcare consulting and support for substitute teachers as the most significant and vital aspects of nursery business. Secondly, during the integrated childcare period, childcare support centers experienced operational changes, and they anticipated that these centers would function as organizations supporting childcare under the Ministry of Education, maintaining their existing functions and roles. Additionally, childcare specialists and center directors expressed the expectation for the establishment of a delivery system within the local community that can provide detailed and close services efficiently and stably. Thirdly, during integrated childcare, childcare support centers acknowledged the need to support various re-education programs for teachers and directors, who are members of both detailed childcare support and early childhood education institutions, to enhance their capabilities.