The present invention relates to a direct hit type aerosol for controlling an insect pest exhibiting an excellent controlling effect on an insect pest, more specifically an aerosol for controlling an insect pest, comprising at least one pyrethroid compound, at least one organic solvent and at least one propellant, wherein the aerosol characteristic value calculated from the following formula is 0.5-25,Formula): Aerosol characteristic value=Spray arrival distance (cm)×Spraying amount (g) per second/Weight concentration (%) of Pyrethroid compound；and the pyrethroid compound is preferably represented by the formula (I):and more preferably at least one compound selected from the group consisting of imiprothrin, tetramethrin, prallethrin, transfluthrin, metofluthrin, dimefluthrin, 2,3,5,6-tetrafluoro-4-methylbenzyl 2,2-dimethyl-3-(1-propenyl)cyclopropanecarboxylate and the like.
