In an embodiment of the present invention, to easily input an association between an evidence photograph and an inspection result on site while obtaining an excellent evidence photograph, a server, a PC, and a portable terminal are used to perform a series of inspection operations including creation of an inspection check sheet, input of an inspection result, imaging of an evidence photograph, and output of a slip. Particularly, the portable terminal can be used to input an inspection point, input an inspection result, image an evidence photograph, determine pass / fail of the evidence photograph, and retake an image. Therefore, the portability and the operability at the inspection site are high, and excellent evidence photographs can be surely obtained at the inspection site. The evidence photographs do not have to be retaken later, and some photographs with unknown quality do not have to be taken for later selection.