The firefighting team app "FireChief" can reduce the burden of contacting the contest by facilitating the means of contact when the firefighting team participates, and shorten the arrival time. In addition, not only the location information of the disaster site but also notification of the type and participation category of the disaster, the movement input when the fire brigade participates, and the fire brigade position information function on the spot using the GPS by multi functional mobile phone Smooth your decision making. In addition, members of the fire brigade who receive the notification of participation can send out possible or impossible immediately by selecting the content displayed on the screen.