介绍了车站自动预报显示器的工作原理，该车站显示器通过灯光显示，实现了预显示和到站显示的功能，具有操作简单、成本低廉、便于扩展等优点，它既方便了乘客，又减轻了乘务员的劳动强度 This paper introduces the working principle of the station automatic forecasting display. The display of the station displays the function of pre-display and arrival display through the light, which has the advantages of simple operation, low cost and easy expansion. It not only facilitates the passengers but also lightens the flight attendant The labor intensity