In present company has been developed various systems for work efficiently and organized. However, each work developed Systems Environment differently by rapid IT advancement; it requires a lot of maintenance cost. Recently many companies need to do systems integration or downsizing migration to save costs for IT maintenance, but most of companies are now develop migration with built new systems by manual work or modify some part only. Also migration requires high cost. In this paper, by focusing in application on the environment of the system components, propose the recycling and utilization of automation tools, application method to reduce the migration cost.