《20几岁要知道点文化常识》是一本用小标题形式解读中外文化常识的书籍，本书从风俗礼仪、文学集萃、影视戏剧、绘画歌舞、饮食、服装服饰、医学医药、名胜古迹和天文历法等多个方面，分类讲述中外的文化常识，让读者开阔眼界，全方位了解文化常识，提高个人的文化素养。(Common Knowledge of Culture for People Aged Twenties is a book that interprets the common knowledge of Chinese and foreign cultures in the form of subtitles. The book narrates the common knowledge of Chinese and foreign cultures by categories in various aspects such as customs and etiquette, literature collection, file and television and drama, paintings and dances, catering, costumes and ornaments, medicine and pharmacy, famous historic and cultural sites, and astronomical calendar and enables readers to widen their visions, understand comprehensively common knowledge of culture and enhance the personal cultural quality.)