PROBLEM TO BE SOLVED: To provide a smoke type insecticidal agent that is low in contamination, that a user can feel the effectiveness visually, and that has a high insecticidal effect.SOLUTION: A smoke type insecticidal agent, characterized, that contains (A) component : insecticidally active component, (B) component : polyol, and (C) component : solidifying agent, and that is a solid type. Preferably the (C) component is a porous material and in particular is an inorganic porous material. Also, a smoke type insecticidal device, characterized, in which such smoke type insecticidal agent is housed and in which a heating means to heat the smoke type insecticidal agent is provided.