A heat mode type negative image recording material is provided which comprises (A') a polymer compound that is insoluble in water but is soluble in an alkali aqueous solution and has at least one of structural units represented by general formulae (4) and (5) in an amount of 30 mol% or more; (B) a photothermal conversion agent; and (C') a compound forming radicals by heat mode exposure with light that is capable of being absorbed by the photothermal conversion agent (B), said heat mode type negative image recording material being capable of recording an image by heat mode exposure. The general formulae are defined in the specification.
