In order to solve the problem of train driver switching sight constantly between the dial and the outside world

a driving-assisted system which suitable for trains taking STM32 as processor is designed. The transmission high temperature poly silicon LCD as an image source to design hardware and software of head up display system of train. It projects some important information needed by the driver in front of the front windshield. The driver does not need to bow down to see the dial or display

which eliminates the visual blindness effectively caused by bow. Through the prototype test

it shows that feasibility and real-time performance of the program are good.