1997年以来,在吐鲁番的洋海墓地、阿斯塔那古墓二区、木纳尔墓地、巴达木墓地、交河故城沟西墓地、交河故城大佛寺旁以及台藏塔,前后发现了大量古代文书。就质地而言,主要是以纸质为主,也包括了一部分书写于方砖、泥坯和木板上的墓志;就内容而言,多是世俗文书,所涉及的时间则从 Since 1997, in Turpan, Yanghai cemetery, Astana ancient tombs II, Muar cemetery, Badamu cemetery, cross the river Guchenggou West cemetery, crossing the river near the Great Buddha Temple and the Tainan Tibetan Pagoda, found before and after A large number of ancient instruments. In terms of texture, it is mainly paper-based and includes part of the epitaphs written on tiles, mud billets and planks; in terms of content, mostly secular instruments cover time ranging from