The utility model discloses a categorised visual inspection device of photovoltaic cell colour difference, a serial communication port, including taking the photograph camera, camera anchor clamps, light source, light source anchor clamps, base, first regulation pole, support, second regulation pole, the support is fixed on the base, and the position in the upper and lower difference at support top is fixed respectively to first regulation pole and second regulation pole, take the photograph camera and install in the camera anchor clamps, fix on the support through first regulation pole, the light source is fixed in the light source anchor clamps, adjusts the pole through the second and fixes on the support, and the camera formation of image of taking the photograph that photovoltaic cellplaced on the base is distinguished. The utility model discloses the device adopts back the type light source to throw light on, can achieve your goals the region do not reflect light when forming images, undistorted, the influence that does not receive external environment light, strengthened the robustness of system. The device of the utility model is simple in structure, the simple installation, the operation reliability is high.