Provided is a method for preparing an oil-in-water type emulsion composition, the method comprising a step for stirring and emulsifying a composition containing components (A), (B), (C) and (D) below and then treating under a high shear pressure of 30-300 Mpa, wherein (A) is 5-35 mass% of an acrylic-silicone graft copolymer, (B) is 5-35 mass% of volatile oil, (C) is 2-15 mass% of polyoxyethylene sorbitan fatty acid ester having average addition mole number of ethylene oxide (EO) of 10 or more and HLB of 11 or more, and (D) is 15-88 mass% of water.