An ambient light detection system comprising an ambient light acquisition device and an ambient light analysis device which are cooperatively coupled to each other; wherein the ambient light acquisition device includes a main body accommodating a plurality of sensors and a headphone plug which is cooperatively coupled to the ambient light analysis device; wherein the ambient light analysis device includes a body and a headphone jack disposed on the body; wherein the ambient light acquisition device comprises a parameter acquisition module comprising an ambient light sensor, a color temperature sensor, and a color sensor to acquire an ambient light parameter of a target area, the ambient light parameter including a luminous intensity parameter, a color temperature parameter and a color parameter; a parameter conversion module configured to convert the ambient light parameter into a protocol type parameter in accordance with a predetermined wired communication protocol; and a parameter sending module configured to send the protocol type parameter to the ambient light analysis device through a wired communication route corresponding to the predetermined wired communication protocol, the predetermined wired communication protocol being a headphone interface protocol; an instruction acquisition module; and before the parameter acquisition module acquires the ambient light parameter of the target area, the instruction acquisition module being specifically configured to acquire an acquisition start instruction from the ambient light analysis device through the wired communication route; and wherein the ambient light analysis device comprises a parameter receiving module configured to receive a protocol type parameter from the ambient light acquisition device through and the headphone interface protocol; a parameter comparison module configured to obtain an ambient light analysis result by comparing the protocol type parameter with a preset ambient light threshold. wherein the ambient light acquisition device includes a main body accommodating a plurality of sensors and a headphone plug which is cooperatively coupled to the ambient light analysis device; wherein the ambient light analysis device includes a body and a headphone jack disposed on the body; wherein the ambient light acquisition device comprises a parameter acquisition module comprising an ambient light sensor, a color temperature sensor, and a color sensor to acquire an ambient light parameter of a target area, the ambient light parameter including a luminous intensity parameter, a color temperature parameter and a color parameter; a parameter conversion module configured to convert the ambient light parameter into a protocol type parameter in accordance with a predetermined wired communication protocol; and a parameter sending module configured to send the protocol type parameter to the ambient light analysis device through a wired communication route corresponding to the predetermined wired communication protocol, the predetermined wired communication protocol being a headphone interface protocol; an instruction acquisition module; and before the parameter acquisition module acquires the ambient light parameter of the target area, the instruction acquisition module being specifically configured to acquire an acquisition start instruction from the ambient light analysis device through the wired communication route; and wherein the ambient light analysis device comprises a parameter receiving module configured to receive a protocol type parameter from the ambient light acquisition device through and the headphone interface protocol; a parameter comparison module configured to obtain an ambient light analysis result by comparing the protocol type parameter with a preset ambient light threshold.