从目前出土并经研究的西夏文物可知，“用西夏文书写、刻印的文献十分丰富，仅存世的文献就十分可观，是中古时期除汉文文献外，保存文献种类、数量最多的一种民族文字。”在本世纪初，科兹洛夫率领的俄国皇家蒙古、四川地理考察队在我国内蒙古额济纳旗的黑水城遗址发掘出了大 From the Xixia relics unearthed and studied, we can see that “the literatures written and engraved in Xixia language are very rich. The only surviving literature is very impressive. It is a kind of national language with the largest number of types and types of documents preserved in ancient times except Chinese documents . ”At the beginning of this century, the Russian royal Mongolia and Sichuan geographical expedition led by Kozlov screened out the site of the Heishui Castle in Ejin Banner, Inner Mongolia of our country