An inspection method using an automatic inspection system comprises the following: (a) a step of loading a 3D file from which the program has been selected; (b) a step of inputting into the program information on one or more selected components of the mold assembly of the 3D file loaded into the program; (c) a step of checking a setting value of the selected component according to a mode selected from a check list preset in the program; and (d) a step wherein, if the set value of the component selected in step (c) is out of the range of the value set in the selected mode, the color of the component out of the range of the set value among the selected one or more components is changed to a preset color and monitored.