The invention discloses a new vehicle video-audio player using movable hardware (U disc) as video and audio carrier, including U disc, select key, control panel, radio circuit, power amplifying circuit, LCD screen and speaker, also including universal serial bus (USB) interface circuit, central control and decoding circuit, and internal memory circuit, where the central control and decoding circuit search and read compressed video and audio information in the U disc through the USB interface, the video-audio information is decoded by the central control and decoding circuit into the video signal to display on the LCD screen, and the audio signal through power amplification is played through the speaker. It has advantages o large video and audio program memory capacitance, rich sound source, not being affected by vibration and stable playing.