The utility model discloses a scene can power equipment screen cabinet automatic switching warning sign, concretely relates to power equipment technical field. This scene can power equipment screen cabinet automatic switching warning sign, including power supply system, controller and the demonstration end of automatically controlled connection, power supply system includes the wind energy electricity unit, light energy power supply unit and battery, the wind energy electricity unit, be connected with the controller is automatically controlled through control switch after light energy power supply unit and battery are parallelly connected, the wind energy electricity unit includes wind energy conversion system and fan rectifier, the light energy power supply unit includes array of photovoltaic cells and photovoltaic rectifier, array of photovoltaic cells is solar cell panel, the solar cell panel package rubbing board body and the arc solar energy collecting plate of cover on the plate body, plate body top -down is in proper order by the euphotic layer, go up the EVA layer, solar wafer, EVA layer and sheet layer in a poor light are constituteed down.