The utility model relates to the technical field of camera shooting, and in particular relates to a large product surface image capturing device which comprises a first framework, a light source regulating module, a group of first horizontal screw rods, a second framework, a camera regulating module, a group of vertical guide rails, a camera frame and second vertical screw rods, wherein the first framework is internally provided with the light source regulating module which comprises the group of horizontal screw rods arranged at two sides of the first framework, and light sources are connected among the first horizontal screw rods which are used for regulating the front and rear positions of the light sources; the second framework is arranged on the first framework, and is internally provided with the camera regulating module comprising the group of vertical guide rails; the vertical guide rails are positioned at two sides of the second framework and are connected with the second framework; and the camera frame is horizontally arranged among the vertical guide rails, is provided with a camera, and is also connected with the second vertical screw rods which are used for regulating the upper and lower positions of the camera. The device is simple in structure, is convenient to operate, guarantees the position accuracy of the camera and the light sources, achieves the accuracy of 5 micro meters, is high in captured image quality, is low in manufacturing cost, and is easy to popularize.