本文通过考察《大唐云居寺故寺主律大德神道碑铭并序》(简称《真性大德神道碑》),拓展分析了安史之乱和会昌法难对唐幽州佛教的影响,揭示出中晚唐幽州—卢龙镇佛教之特性。幽州地区律宗繁盛,出现了学问修行都很高的代表人物真性大德。安史之乱对北方佛教造成巨大冲击,但幽州的经济条件仍然十分优越,云居寺在战乱后仍很兴盛,得到众多富裕施主的供养。这为精深佛学研究的持续繁荣提供了必要的物质条件。中晚唐以降,朝廷屡次下诏禁止私度僧尼。但幽州节度使却毫无顾忌地在自己的辖区内邀请高僧开设戒坛度僧。这与安史之乱后,幽州—卢龙镇在政治、军事、经济方面俨然成为“独立王国”密切相关。幽州与唐廷在政治上的隔阂和争斗并不影响幽州与长安在佛教文化方面的互动。在会昌毁佛期间,幽州地区受自然条件、手工业门类限制,佛教功德事业受到影响,与河东地区的佛教文化交流暂时受阻。 This article explores the influence of Anshun Rebellion and Huichang Fa-yun on Tang Youzhou Buddhism by examining “Inscriptions and ordinances of Dadu’s Shinto inscriptions” Town Buddhist characteristics. Youzhou area rhythm prosperous, there is a high level of knowledge and practice of the representative of greatness. Anshun’s chaos caused a tremendous impact on Buddhism in the north, but the economic conditions in Youzhou were still excellent. The temple of Yunfu was still flourishing after the war and was supported by many wealthy donors. This provides the necessary material conditions for the continued prosperity of deep Buddhist studies. In the middle and late Tang dynasty, the court repeatedly banned private monks and nuns. However, you Jushou Jiedushi has no scruples to invite monks in their own jurisdictions to open monasticism. After the Anhsan Rebellion, Youzhou - Lulong Town became closely related to the “independent kingdom” in political, military and economic terms. The political estrangement and struggle between Youzhou and Tang Ting did not affect the interaction between Youzhou and Chang’an in Buddhist culture. During the ruin of Huichang, the Youzhou area was affected by the natural conditions and handicraft sectors, the Buddhist merit cause was affected and the cultural exchanges with Buddhism in the Hedong area were temporarily blocked.