To provide a new processing member capable of easily and rapidly developing a silver halide photographic sensitive material and to provide an image forming method and a digital image information producing method excellent in stability of image quality by dry development advantageous particularly to the production of digital image information by developing a silver halide photographic sensitive material with the processing member.

In the processing member used in an image forming method in which a silver halide photographic sensitive material and the processing member selected from a developing film and a developing sheet are overlapped and development by heating is carried out in the presence of an aqueous medium, a compound of formula (1) is contained.