The invention relates to a heating composition and application thereof, the heating composition is composed of a component I and a component II, the component I comprises 4-40% of epoxidized soybean oil, 4-30% of epoxy resin, 2-10% of vermiculite, 0.05-3% of A1 type ethyl maltol and 0.05-3% of peppermint essence, the component II comprises 2-30% of polyamide, 0-8% of polycarboxylic acid anhydride and 2-15% of vegetable oil, and the heating composition is prepared by mixing the components according to a certain proportion; the heating composition is used for food heating, is not limited by time and places, is free of open fire, does not produce hydrogen, is safe and reliable, emits heat for a long time, is high in heating efficiency, is rapid and controllable in exothermic reaction, is environment-friendly and sanitary, can be well applied to the field of instant food, can produce fragrance capable of increasing appetite, and is high in cost performance.