An aerosol for disinsectization comprising a mixture comprising a disinfestant component, a solvent, and a propellant, and a pressure-resistant container provided with an actuator, wherein the mixture is contained in the pressure-resistant container, and wherein the solvent is contained in the mixture in an amount of from 0 to 10% by volume, and the actuator has an orifice diameter of from 0.7 to 2 mm； and an aerosol for disinsectization comprising a mixture comprising a disinfestant component, a solvent, and a propellant, and a pressure-resistant container provided with an actuator, wherein the mixture is contained in the pressure-resistant container, and wherein the solvent is contained in the mixture in an amount of from 0 to 10% by volume, and the actuator has a long nozzle having an orifice diameter of from 0.4 to 2 mm.
