《长恨歌》中有多处描写被研究者指出与史实不符,甚至认为白居易不了解有关历史导致漏洞百出,《长恨歌》存在有损其经典价值的失实问题。本文选取典型的几例进行分析,探明白居易进行艺术虚构的原因,以及鉴赏历史题材作品的一些规律与原则问题。黄埃散漫风萧索,云栈萦纡登剑阁; Many descriptions of “Everlasting Sorrow” were pointed out by the researchers that they were inconsistent with the historical facts. They even thought that Bai Juyi did not understand that history had caused many loopholes and that the existence of “Everlasting Sorrow” could undermine the authenticity of his classic value. This article chooses a few typical examples to analyze the causes of Bai Juyi’s artistic fiction, as well as some rules and principles of appreciating the historical themes. Huang Ya diffuse diffuse wind fading, cloud stack Ying Deng Jiangeng;