The invention discloses a multifunctional Beidou portable device. The multifunctional Beidou portable device comprises a shell and a main PCB (printed circuit board) board in the shell. A power source used for providing electric energy for each functional module is arranged on the main PCB board and also has a function of charging other devices. A main chip signal processor is arranged on the PCB board, a Beidou signal processor in communication with a Beidou satellite system is arranged on the PCB board, a Beidou positioning module is arranged in the Beidou signal processor, a Bluetooth module for communication with a mobile terminal is arranged on the main PCB board, a Beidou short message module is arranged in the main chip signal processor, and a control module is arranged on the main PCB board. The multifunctional Beidou portable device is capable of not only providing positioning and navigation functions but also providing a function of charging the mobile terminal of a user and is also capable of realizing information interaction with other terminals by means of short messages so as to realize mobile interconnection, and accordingly practicality of navigation terminal equipment is improved.