Bluetooth interphone used for mobile network intercom system

The utility model provides a Bluetooth interphone used for a mobile network intercom system. The Bluetooth interphone used for the mobile network intercom system comprises a radio frequency unit, a Bluetooth module, a clock unit, a power supply unit, an audio input and output unit and an intercom button; the radio frequency unit is used for receiving and emitting a Bluetooth signal; the Bluetooth module is connected with the radio frequency, and used for coding and decoding audio file, and converting an audio signal into the Bluetooth signal; the clock unit is used for supplying a clock signal to the Bluetooth module; the power supply unit is used for supplying power for the whole Bluetooth interphone; the audio input and output unit is connected with the Bluetooth module, and used for acquiring an uplink voice of a user and displaying downlink audio data; and the intercom button is connected with the Bluetooth module and used for stating a function of Bluetooth intercommunication. The Bluetooth interphone used for the mobile network intercom system can be interconnected with a common mobile terminal through Bluetooth, data channels of a mobile communication wireless network are used for achieving the function of intercommunication, so the cost of conversation can be saved.