An object of the present invention is to provide an image formation material exhibiting exposure visualization with excellent color development, and further to provide a printing plate material exhibiting excellent on-press developability, accompanied with excellent exposure visualization and printing durability. Also disclosed is an image formation material possessing a support and provided thereon, a thermosensitive image formation layer, wherein the thermosensitive image formation layer comprises water-insoluble particle (A), electron providing dye precursor (B) and electron accepting dye color developing agent (C), and at least one of the precursor (B) and the color developing agent (C) is provided on a surface of the particle (A).