The utility model refers to a car TFT electronic instrument system, which comprises a SCM control module, a power-supply module, a memory device module, a sensor signal processing module, a TFT module, a stepping motor drive module, a video input module and a communication module, wherein the power-supply module electrically connects with the SCM control module, the memory device module, the sensor signal processing module, the TFT module, the stepping motor drive module, the video input module and the communication module separately; the SCM control module connects with the memory device module, the sensor signal processing module, the TFT module, the stepping motor drive module, the video input module and the communication module by circuit. The utility model is provided with strong display function and can indicate running status of each system of the car, which is convenient for the driver know of and grasp car running status in time so as to process various situation appropriately, reliability of the whole is improved greatly while improving grade of the entire instrument, also driving interest is added while providing fresh clear and comfortable visual enjoy to the driver.