The purpose of this study was to understand the effects of the Early Childhood Education Advisor Visitation Project in Hiroshima Prefecture on improving the quality of childcare in kindergartens, nursery schools, and certified childcare centers (hereinafter, “schools”). This is part of the research to clarify how preschools and schools perceive this project—in particular, it included obtaining basic data to examine the efforts necessary to improve the project. In addition, the project’s results and issues have been clarified to provide basic data to enhance advisor visitation in the future.