唐代诗人白居易的作品《长恨歌》堪称中国古代文学史上描写唐玄宗李隆基与贵妃杨玉环的爱情颂歌 ,“长恨”其名取得十分精当 ,因是悲剧结局 ,故名之为“恨” ;又因是情重意长 ,故名之为“长恨” ,天长地久都无法阻挡情与恨的悠悠绵绵 ,可见此情此恨确不一般。本文试从相思、生死和秋恨三个方面论述《长恨歌》的主题 ,全面体味作品的悠长韵味 Tang Dynasty poet Bai Juyi’s works, “Everlasting Regret,” called the history of ancient Chinese literature describing the Tang Xuanzong Li Longji and concubine Yang Yuhuan love carols, “long hate” made very precise name, because the tragedy ended, hence the name of “hate” ; Because of the heavy affection and long, hence the name of “long hate”, everlasting are unable to stop the love and hate of long, we can see this hate indeed unusual. This article tries to discuss the theme of Everlasting Regret from three aspects of Acacia, life and death and autumn hate, and fully appreciate the lingering flavor of the work