A steam-generative warming device 10 having a steam generating element 30 that releases steam in association with heat generation accompanying the oxidation of an oxidizable metal. The steam generative warming device 10 contains a capsaicin analog and a menthol in a capsaicin analog/menthol mass ratio of 1/300 to 1/20000. It is preferred that the capsaicin analog be present in an element adapted to be brought into direct contact with the user's skin and the menthol be present in an element adapted not to be brought into contact with the user's skin.