The invention discloses a room-temperature rapid-curing coating material with a high-infrared-radiation coating as a cured product, and a preparation method thereof, wherein the curing coating material is prepared by mixing and stirring an epoxy resin, a high-infrared-emissivity substance, an amine curing agent, imidazole, a coupling agent, an accelerant, a surfactant and a solvent, wherein the mixed solution is good in environmental protection property, has proper working life and paint film initial curing time at a room temperature, and is suitable for rapid curing at a room temperature. According to the invention, with the application of the curing coating material to perform surface treatment on parts, the defects of too long or too short working life and too long or too short initialcuring time of the coating materials in the prior art are overcome.