The invention discloses a vehicle-mounted shaver integrating the multiple functions. The vehicle-mounted shaver integrating the multiple functions comprises a vehicle-mounted charging part; a shaver body is arranged at the other end of the vehicle-mounted charging part and comprises a shield cutter net, a blade, a motor and a motor support; the shield cutter net covers an opening part of a storage cavity of a vehicle-mounted head; the blade is connected to a shaft of the motor; the motor is fixed on the motor support, and the motor support is fixed on a PCB with a battery; the PCB with the battery is electrically connected with an LED lamp set; a bluetooth module and an LED lamp set control module are arranged on the PCB with the battery, wherein the LED lamp set control module comprises an LED circuit, and the bluetooth module comprises a bluetooth circuit; the bluetooth circuit is connected to a mobile phone and a vehicle-mounted loudspeaker with the bluetooth function through an bluetooth signal; and when the mobile phone receives incoming calls, an answer key on a shell of the vehicle-mounted charging part is pressed, and therefore a conversation can be carried out, and the voice can be played through the vehicle-mounted loudspeaker.