An image processing apparatus in which a specific image including regulation information and a specific image including trace information are attached so that the specific images are different from each other is provided. An image processing apparatus 1 of the present invention is provided with an image reading section 210, an image forming section 220, an image storage section 400, an operation section 240 and a control section 300, in a cabinet 2. The control section 300 is provided with a first specific image adding section 311, a second specific image adding section 308, a determination section 312, an altering section 313 and a CPU 301. The determination section 312 compares a first specific image A and a second specific image B which have been generated. When it has been determined that a part of the second specific image B is the first specific image A, the altering section 313 alters the second specific image B. The second specific image adding section 308 adds the altered second specific image B.