The utility model provides an aircraft light warning system detection device, including match the dress casing and control panel, be provided with power module, embedded microprocessor, manual control interface circuit, automatic control interface circuit, manual crosslinked buffer circuit in the casing and report an emergency and ask for help or increased vigilance signal output circuit, supply socket on power module's the input connection control panel, power module's output is connected with embedded microprocessor, manual control interface circuit, automatic control interface circuit respectively, manual crosslinked buffer circuit's input is connected with manual control interface circuit and automatic control interface circuit respectively, and signal output circuit is reported an emergency and asked for help or increased vigilance in manual crosslinked buffer circuit's output connection, embedded microprocessor and automatic control interface circuit interconnection. The utility model discloses small, light in weight, portable, man -machine efficiency are high, can improve detection efficiency and rate of accuracy, provide the reliable assurance for normal, the safe operation of aircraft.