[en] Based on the Related Acts and the Practical or Support Response Manuals, the Exercise Objective and Contents were established to verify the Effectiveness of the Nuclear Emergency Preparedness of participating Organizations and the Exercise Plan related NPP accident scenario was established. For the National wide Unified Nuclear Emergency Exercise, It was implemented Participating in the Task Force Team of the Unified Exercise Preparation, Planning of the Off-site Exercise Plan, Coordinating of the Exercise Equipment and Personnel, Coordinating of the detailed Exercise Implementing Plans, Development of the Operation Guidance of Exercise Control and Evaluation Teams and Support of implementing of the Exercise Control and Evaluation, Development of Training Materials for Regional Emergency Personnel and Support of the Education and Training, Support the Exercise Implementation The Results was applied in the National wide Unified Nuclear Emergency Exercise on May 2007, and also, is expected to be used to improve the Related Acts, Emergency Plans, the Plan Implementing Procedures and Manuals. Hereafter, the Results will be used to confirm the Preparation of Nuclear Exercise(Unified/Joint/Total/Partial Exercise) and to develop a Exercise Scenario Developing Computer Program