Refrigerator light source adjusting device

The utility model relates to a refrigerator light source adjusting device which comprises a main light source, a controller and an environment light sensor. The controller is connected with the signal output end of the environment light sensor. The controller is connected with the main light source through a main light source driving circuit. The controller controls the output voltage of the main light source driving circuit through the environmental light brightness detected by the environment light sensor and controls the brightness of the main light source. According to the refrigerator light source adjusting device, through setting the environment light sensor, the surrounding environment light brightness is automatically recognized, the brightness of the light source in a refrigerator is automatically adjusted according to the environment light brightness, the light source is not dazzling, and a comfortable luminous effect is provided for a user.