The invention discloses a multifunctional mobile phone base. Connectors are arranged on the multifunctional mobile phone base, and correspond to a charging spigot and a USB (Universal Serial Bus) spigot of a mobile phone; a controller is arranged in the base, and comprises a data exchange module, a charging module, a network connecting module and an MCU (Microprogrammed Control Unit), the MCU is electrically connected among the data exchange module, the charging module and the network connecting module, and is used for coordination control as well as data transmission and management; a mobile phone charging power supply spigot, a USB interface and a network connection LAN (Local Area Network) interface are arranged on the base; the power supply spigot, the USB interface, the LAN interface, the connector corresponding to the charging spigot and the connector corresponding to the USB spigot are correspondingly connected to an input end and an output end of the controller respectively; and the controller and the charging module are respectively provided with a charging saturation automatic cutoff module. When the multifunctional mobile phone base is adopted, a mobile phone and a spare battery can be charged at the same time, a charging saturation automatic cutoff function can be realized, the data exchange and wired network connection between the multifunctional mobile phone base and USB equipment can be realized, and carried out at the same time; and functions of a traditional mobile phone are expanded.