If the district unit plan is to be changed as a minor matter for the efficient operation of the district unit plan by the Act on the Plan and Utilization of the National Territory, the relevant procedures such as the deliberation of the Urban Planning Commission may be omitted and operated. Therefore, the purpose of this study is to review the scope of the district unit plan and the regulation method, and to suggest a policy plan to flexibly use the district unit planning system. Also, based on the result of collecting diverse opinions on the scope and criteria of minor changes in the district unit plan, we will clarify the gap between legal standards and reality and propose a plan to improve related regulation system for rationalization of regulation.