The present invention relates to a cosmetic composition containing a hydroxypyranone derivative compound as an active ingredient for promoting the differentiation of adipocytes. The composition according to the present invention has an effect of promoting the differentiation of adipocytes, and thus allows the differentiation of adipocyte in a skin layer, thereby increasing the skin volume or elasticity. Therefore, the composition of the present invention can be variously used as a cosmetic composition or a pharmaceutical composition in the field, such as skin damage.