《察合台语》是十五世纪到二十世纪初使用的古典书面语。这种书面语分布的地域是相当广的,从我国新疆一直到中亚。《察合台语》一方面是以河中地区、霍拉桑和新疆居民的活的突厥语为基础的,另一方面是以黑汗王朝古典维吾尔文学传统为基础的,也就是说《察合台语》是在黑汗王朝书面突厥语和花刺子模书面突厥语的基础上发展起来的。它包含有黑汗王朝古典维吾尔语的某些特点和十三世纪到十四世纪金帐汗国花刺子模文学的乌古斯—克普恰克语的语言成分。其次, “Chagatai” is a classical written language used during the fifteenth and early twentieth centuries. This written language distribution is quite wide area, from our country until Central Asia. On the one hand, “Chagatai” is based on the living Turkic language of the Hose area, Khorasan and Xinjiang residents, on the other hand, it is based on the classical Uyghur literary tradition of the Black Khan Dynasty, that is, Taiwanese "was developed on the basis of written Turkic language and written Turkish language in the Khanate Dynasty. It contains some of the characteristics of the classical Uygur language of the Black Khan Dynasty and the language of the Hugussian-Khuchach language of the Golden Horde’s tattoo mold literature from the 13th to the 14th centuries. Second,