<p>There is disclosed an image forming method which comprises forming an image portion by exposing and developing an image forming material having a light-sensitive composition, and transferring only the image portion onto an image receiving material with the non-image portion of the image receiving material being exposed, wherein the light-sensitive composition contains: (1) at least one selected from: (a) o-quinonediazide compounds; and (b) compositions containing both of a photoacid generating agent and a compound having at least one bond decomposable with the acid; and (2) a polymeric compound having a carboxylic acid vinyl ester polymer unit represented by the following formula in the molecular structure: RCOOCH=CH2 wherein R represents an alkyl group having 1 to 17 carbon atoms. n</p>
