The utility model relates to a double-light filter clamping device for a double-color temperature measuring optical system and belongs to the optical system technical field. According to the double-light filter clamping device, a hole I of an upper component is connected with an arc groove I of a rear component through a bolt I; and a hole II of the upper component is connected with an arc groove II of a lower component through a bolt II. With the double-light filter clamping device adopted, two light filters in the double-color temperature measuring optical system can be clamped conveniently, and the reliability of optical system tests can be improved. The double-light filter clamping device is easy to be adjusted.