The scheme is a solution that combines terrestrial digital television broadcasting system and emergency broadcasting system. It has the characteristics of collecting, processing and compiling emergency information. By means of DTMB and Internet, the broadcast terminal is controlled to switch to emergency broadcast program, and the public receives emergency information in multimedia mode, such as image, text, sound and so on at any time and place. Meet the audience to receive emergency information accessibility. In accordance with the national emergency related standards, and weather, three prevention, public security departments such as seamless docking, for emergency command information to provide a safe, rapid and accurate distribution channels, improve the government emergency response capability of emergency.