The invention discloses a liquid crystal screen public network intercom with WIFI, comprising a power supply, a liquid crystal screen public network intercom main body, a keyboard, a liquid crystal screen, an antenna, a SIM base, a MIC, an audio input port, a volume switch knob, a speaker, an audio Output port and GPS antenna, the main body of the LCD screen public network intercom includes a power circuit, an MCU circuit, a CDMA circuit, an audio circuit, a font circuit and a WIFI circuit, the power supply is connected to the MCU circuit through the power circuit, and the keyboard and The WIFI circuit is connected to the MCU circuit respectively, the font library circuit is connected to the LCD screen through the MCU circuit, the MCU circuit is connected to the CDMA circuit, and the antenna, SIM socket, MIC and audio input port are respectively connected to the CDMA circuit. The MIC is connected to the audio input port, the CDMA circuit is connected to the speaker and the audio output port through the audio circuit, the speaker is connected to the audio output port, and the volume switch knob is connected to the power circuit and the audio output port respectively. circuit is connected.