敦煌藏经洞,即莫高窟第17窟。由于发现了约五万卷遗书而得名。是什么原因把这么丰富的宝藏封存在这个小耳洞中?它的封存年代又在何时?八十年来中外学者进行了许多有益的探讨,然而迄今仍没有十分令人满意的解说。关于敦煌藏经洞的封闭争论主要集中在两点,一是封存的年代,一是封存的原因, Dunhuang Cangjing Cave, Cave 17, Mogao Grottoes. It was named after discovering about fifty thousand rolls of suicide note. What is the reason for keeping such a rich treasure in this small ear hole? When is its sealing time? Chinese and foreign scholars have conducted many beneficial discussions in the past 80 years, but so far there is not a very satisfactory explanation. There are two main points about the closed debate on the Cave of the Book of Songs in Dunhuang: first, the era of storage, first, the reason of storage,