Abstract
In the Great East Japan Earthquake, unexpected circumstances over anti-disaster plan occurred and administrative management was needed. Well-trained organizations like self-defense forces .polices and fire-fighting organizations made considerable achievements. But organizations without such training are pointed to have caused difficulties. Now, reports about the Fukushima No. 1 nuclear power plant accident have been issued by the government and the Diet. We can learn lessons from the accident. This report picks up the problems appeared in the accident management.