Abstract
In recent years, the various disasters and accidents occur frequently in Japan, and people's life is exposed to danger. Many people who live in Japan have believed that Japan is a comparatively safe country for a long time, and have lived without feeling danger for daily life so much. They begin to notice how ensuring safety of life is important because many disasters and accidents exceeding the range of their imagination happened. Especially, in the time of natural disasters, the present measure about the ensuring safety is fixed about the about reorganization of a life after natural calamities as system although the measure of the community-based disaster mitigation stage has never rooted. This article verifies the measure about ensuring safety for people in community at the time of natural disasters, and shows the problems which administration, community and individual should solve.