The invention relates to a self-heating-type fragrant hot compress paste which effectively solves the problems that according to an existing self-heating disposable warm paste, due to the fact that raw materials are easily moved, the paste is not flat, the comfort level is affected, and clothes are polluted. A raw material layer is installed in a ventilation bag composited by a non-woven fabric layer and the non-adhesive face of a piece of pressure sensitive adhesive tape, the ventilation bag is vacuumized, a piece of release paper is stuck to the adhesive tape face of the pressure sensitive adhesive tape, and heating materials are composed of reduced iron powder, expanded vermiculite, wormwood powder, activated carbon, fragrant essential oil, industrial salt, water and ethyl alcohol. The reduced iron powder, the activated carbon, the wormwood powder and the expanded vermiculite are taken to be fully mixed in the sealed bag to obtain a mixture. The industrial salt is taken to be dissolved into the water, the ethyl alcohol and the essential oil are added, stirred and dissolved into the water with the industrial salt, and the water with the industrial salt, the ethyl alcohol and the essential oil is evenly mixed with the mixture in the self-sealing bag. The self-heating-type fragrant hot compress paste is safe, non-toxic, fragrant, pleasant, convenient to use, low in cost, stable in heating and durable in heat availability.