The invention discloses a photoelectric integrating type color photometer based on combined LED light sources and a measurement method thereof. The photoelectric integrating type color photometer based on the combined LED light source comprises an integrating sphere, the LED light resources and a detector, wherein the LED light resources are arranged on the inner wall on the central horizontal plane of the integrating sphere in an equal-angle mode, the detector is positioned on the inner wall of the integrating sphere, and a 8-degree included angle is formed by the integrating sphere and a normal direction of the surface of a material. By means of the photoelectric integrating type color photometer based on the combined LED light source, the LED combined light sources serve as measurement light sources, and spectral response of the color photometer is changed by regulating spectral distribution of the LED combined light sources. Due to the fact that no optical filter is utilized in the design of the photoelectric integrating type color photometer, color data of a sample under test under multiple standard light sources can be measured through the photoelectric integrating type color photometer, indication errors of instrument measurement are reduced, and good test repeatability is ensured. Therefore, the photoelectric integrating type color photometer based on the combined LED light sources has good application and popularization prospects.