A color correction device comprises a light-emission information collection circuit, a first communication circuit and a color correction processing circuit, wherein the light-emission information collection circuit is used for collecting light-emission information of an external flash; the first communication circuit is used for communicating with a terminal device, so as to receive a color correction control instruction sent by the terminal device; the color correction processing circuit receives the color correction control instruction transmitted by the first communication circuit and then performs color correction processing on the basis of the light-emission information to generate color correction result information; and the color correction result information is used for being transmitted to the external flash so as to correct light-emission of the external flash. The color correction device can be used for color correction of the external flash.