Through this study, It was revealed that The Reform of Central Seongcheong which was conducted in January 2001 by the Basic Law of Central Seongcheong has variety backgrounds and political purpose. In other words, The restructuring operations has purpose of overcoming the economic crisis of policy failure occurred by the collapse of the bubble since the early 1990s. by the study, Additionally, which about that existing ‘1 Bu 21 Seongcheongs’ reformed to ‘1 Bu 12 Seongcheongs’, Most central Seongcheong includes the Ministry of Education, Ministry of Health, Labour, Ministry of Construction, etc. was the object of the reform. Thus, it means that not only Okurasho was the target of the reform. However, Okurasho called in the past ‘Office of the Office’ was forced to reform including the dismantling of the existing organization unlike other central departments. On the other hand, characteristic elements of the reforming for Seongcheong in 2001 are able to point out the following. In other words, the Seongcheong was reduced to 12. the other side, It can be point out that Cabinet Office newly established makes plans, major policies and adjusts that so the Prime minister of japan has more powerful leadership. In addition, through the study, Okurasho was the target of dissolution by The Reform of Central Seongcheong in 2001 and reformed to the Ministry of Finance, and at the same time, financial administration and authority was greatly reduced. It knows that, Through such actions, Japan purses efficiency of financial adminstration by planing the distribution of responsibilities and clearing the work area.