The invention discloses an embedded multichannel emergency broadcasting system and control device. The system comprises a client, a cloud server, an auxiliary controller, a control device, terminal equipment and a broadcasting system; the control device comprises various function interface; the system is provided with fast remote emergency response and broadcasting information publishing function, so that the traditional broadcasting equipment is upgraded to the effective and safe wireless broadcasting equipment; the multichannel access as follows is realized: RDS data broadcast, intercom and mobile phone access, Bluetooth operation, periodical broadcast, text-to-speech (TTS) speech broadcast, digital audio file play, dual-tone multi-frequency (DTMF) control, short message (SMS) control, and wireless communication network connection, thereby improving the performance and application capacity of the system without influencing the normal use of the original broadcasting system.