Computer network broadcast communication system

The utility model relates to a computer network broadcast communication system, comprising a broadcast controller. The broadcast controller is provided with a relay gateway, a GSM/CDMA wireless module, a wireless transmitter module, a signal acquisition module, and a broadcast terminal. The relay gateway is connected with a fixed communication device through a PSTN fixed network. The GSM/CDMA wireless module is connected with a mobile phone. The wireless transmitter module is connected with a talkback terminal through a 350M/800 cluster. The signal acquisition module is connected with a switching value terminal. The broadcast terminal is connected with a power amplifier. The power amplifier is connected with a loudspeaker. The broadcast controller is connected with a wireless router through a wireless network. The wireless router is connected with a network terminal through wireless signals. The broadcast controller is provided with an operator fixed network interface, a mobile communication network interface, and a cluster dispatching network interface. The system is advantaged by reasonable design, strong anti-interference capability, wide application, strong system integration, and convenient expansion.