Abstract
In this paper, we describe the system to notify the disasters to the citizens in developing countries by the mobile device. In many developing countries, even if the life line is not well-equipped, mobile phone only to exist circumstances that can be used. Sends a short message to the registered member by using the information network, and have developed a system for notifying a disaster can be detected in advance of floods. We also aim to practical use as a system for relieving the citizens in the developing countries of limited infrastructure and resources.