This paper presents general design frame for Weather Hazards Warning Information Broadcasting System based on Digital Audio Broadcasting technology and provides a digital format of Weather Warning message encoding by conducting research on weather hazards warning message encoding. With the Broadcasting System of Weather Hazards Warning Information, all weather hazard information can be effectively disseminated in the shortest time to the specific areas, departments and people. What's more, Warning Information can cover all our country,effectively solving "the last mile"  issue of weather warning information broadcasting.