Vehicle-mounted GPS navigation, recreation system

The utility model provides a vehicle-carried GPS navigation and entertainment system which comprises a system control chip, a navigation system, a disc playing device, an input device, an audio switch module, a video switch module, an audio output device, a video output device and a power supply device, wherein the system control chip after receiving instructions of navigation and entertainment transmitted by the input device can output control commands respectively to the navigation system and the disc playing device; the navigation system and the entertainment disc playing device can simultaneously output audio and video signals to the audio and the video switch modules, and the audio and the video switch modules output multiple paths of the audio and the video signals to the audio output device and the video output device according to the commands of the system control chip; the audio and the video output devices can switch and output each audio and video signal to obtain the function of navigation and entertainment simultaneously. When output signals are entertainment signals, the audio and the video switch modules can automatically switch to the function of navigation in good time to achieve navigation prompting, and then, the original entertainment output signals can be switched automatically.