The invention relates to an automobile digital instrument teaching demonstration information processing method and device. The method comprises the following steps of: processing electric starting demonstration information on an automobile, processing automobile running condition demonstration information, processing automobile safety condition demonstration information, and displaying processing results onto a display device. The device comprises a signal input system, a signal modulation circuit, a high-speed data collection card, a display device and a warning device, wherein the signal input system is connected with the signal modulation circuit, the signal modulation circuit is connected with the high-speed data collection card, and the high-speed data collection card is respectively connected with the display device and the warning device through communication cables. Compared with the prior art, the method and the device have the advantages that the information is overall, the cost is low, the use is convenient, the requirements of school professional teaching, automobile instrument relevant production and development and enterprise training can be met, the teaching or training effect is improved, the development and manufacture process of the modern automobile digital instrument is accelerated, and the like.