枢密使是唐中后期由宦官担任的重要官职。宦官中两枢密使和左、右神策中尉合称“四贵”。但这一重要职官,《旧唐书》职官志、《新唐书》百官志都不叙其始末,这里只能勾稽史料,加以疏说。 Privy in the late Tang Dynasty by the eunuch as an important official post. Two eunuchs in the eunuch and the right and left lieutenant collectively called “four expensive.” However, this important official, “old Tang book,” the official records, “New Tang Book,” the official records are not described the whole story, here can only explain the historical materials, to be Shu.