Three-network-integration mobile network terminal

The invention provides a three-network-integration mobile network terminal. The mobile network terminal includes a shell and a main board arranged in the shell. The three-network-integration mobile network terminal is characterized by comprising a first antenna, a second antenna, a third antenna, a WI-FI antenna, a first antenna interface, a second antenna interface, a third antenna interface, a WI-FI antenna interface, a power supply interface, a first network interface, a second network interface, a third network interface and a fourth network interface, wherein the power supply interface, the first network interface, the second network interface, the third network interface and the fourth network interface can be pulled out of a machine shell; the main board is provided with a power supply module, an electric communication module, a mobile communication module, an Unicom communication module, a WI-FI module, a network switching module, a processor, a GPS module, a first SIM card slot, a second SIM card slo