本文认为,在北宋诗文革新中,存在着一个“乐”主题从初起到变化终致高潮的完整发展过程。“乐”主题的产生,与宋代士大夫优越的历史际遇密切相关,具有“文藻相乐于升平”的时代特色;在诗文革新先驱的倡导下,它被赋予了积极入世的精神和仁人志士的乐观情怀,实现了其人格本体的深化,并且在创作风格方面丰富和发展了它的表现形态。作者指出,北宋诗文革新中“乐”主题的发展,打破了传统文学以“悲哀为主”的格局,使其获得了与“悲”主题平分秋色的地位,从而带来了文学史上“和平之音”与“穷愁之言”的异调同工。 This paper argues that in the Northern Song Dynasty poetry reform, there is a complete development process of the theme of “music” from the beginning to the end of the change. The theme of “music” is closely related to the superior historical affair of literati in the Song Dynasty, and has the characteristics of the era of “literary grace and happiness”; advocated by pioneers of poetry and culture, it is endowed with the spirit of active accession to the WTO and the optimism of good-natured people Feelings, deepen the realization of the personality of their own, and in terms of creative style to enrich and develop its performance patterns. The author points out that the development of the theme of “music” in the poetry revolution in Northern Song Dynasty breaks the traditional pattern of “sadness” in the traditional literature and gives it equal status with the theme of “sadness”, thus bringing about “peace” in the history of literature Tone “and” sad words "of the same tune with the work.