An inkjet printing apparatus includes: a conveyance device which conveys paper; an inkjet head which ejecting droplets of colored ink onto the paper conveyed by the conveyance device so as to form an image on the paper; a transparent liquid deposition device which deposits a transparent liquid onto a blank background portion of the paper conveyed by the conveyance device; a transparent liquid deposition volume determination device which determines a deposition volume of the transparent liquid to be deposited onto the paper, according to printing information that is required for printing the image on the paper; and a transparent liquid deposition control device which controls the transparent liquid deposition device in such a manner that the transparent liquid with the deposition volume determined by the transparent liquid deposition volume determination device is deposited onto the blank background portion of the paper.