The purpose of this research is to study characteristics of Korean adults in the cultural consumption in the first decade of the early 21st century based on <Investigation on Realities of Cultural Enjoyment>. The whole course of the cultural consumption of Korean adult from 2000 to 2010 has been steadily on the upswing. For Korean adults, the first decade of the early 21st century is the time when mass culture had been generalized in their cultural consumption, regardless of any generations. Besides, the twenties have been proved to be the core generation of the cultural consumption in Korean society.