An aerosol preparation comprising a compound (A) of general formula, a medium-chain fatty acid triglyceride and a liquefied hydrofluoroalkane, which is prepared by using a medium-chain fatty acid triglyceride as a dispersant in preparing an aerosol preparation containing a liquefied hydrofluoroalkane as a propellant and thereby attains an excellent dispersion of compound (A) in the propellant. The aerosol preparation can be applied by spraying without any scatter in the quantity of the administered compound (A).
