PURPOSE: To provide a heat-sensitive recording body wherein a clear coloring image with an absorption region in near infrared part is obtd. and there exists no possibility of growing of fog of the skin even if it is kept under high temp. and high humidity and stability of the skin is excellent and furthermore, there exists no possibility that the fog of the skin grows with passage of time after a coating liq. is prepd. when a heat-sensitive coloring layer is formed and quality of the heat-sensitive coloring layer is good.

CONSTITUTION: A heat-sensitive coloring layer formed on a substrate is a heat- sensitive recording body which consists of a coloring system of ferric salt of a fatty acid and incorporated with a chelate reagent and zirconium ammonium carbonate in the heat-sensitive coloring layer.