主题，在中国古代文论中称作“主旨”、“意”、“主脑”等。这一概念是从日语翻译过来的（日语从德语Thema音译），原系音乐术语，指音乐中的“主旋律”，后来被植入到文章写作中，成为现代文论中表示“核心”意义的专门术语。长时间里，人们对主题的普遍认识基本趋同，反应到 Theme, in ancient Chinese literary theory as the “theme”, “meaning”, “the main brain” and so on. The concept is translated from Japanese (Japanese from the German Thema transliteration), the original music terms, refers to the music’s “theme”, and later was implanted in the writing of the article, as the modern literary criticism that “core” meaning Glossary. For a long time, people generally converge on the general understanding of the theme and react to it