满文在清代的官方文书系统中占有重要地位,满文档案材料为深入研究清代各方面的历史发展状况提供了以往各朝代所无法比拟的丰富史料。清代北部边疆地区,或为理藩院监管下的藩部蒙旗,或为驻防将军统辖下的内属部落,其历史在内地汉文官书史志中的记载大多语焉不详,但在当地各级衙署的旧存满蒙文档案中,却往往有极为全面翔实的记载。正因如此,档案文献的有效整理运用,遂成了清代北疆地区及民族历史研究能否走向深入的关键。这一点在清代索伦(即今鄂温克)、达呼尔(即今达斡尔)两族历史 Manchu occupies an important position in the official clerical system of Qing Dynasty. Manchu archives materials provide abundant historical materials unmatched by all dynasties in order to deeply study the historical development of all aspects of the Qing Dynasty. In the northern border region of the Qing Dynasty, either as the flag of the royal family under the supervision of the courthouse or as the inner tribe under the command of the general garrison, most of the records of the history of the Chinese official Shi Zhi in the Mainland are not fully understood. However, The old archival Mongolian archives, but often have very comprehensive and informative records. For this reason, the effective arrangement and use of archives has become the key to whether the research on the history of northern areas and nationalities in the Qing Dynasty can go further. This is the case in the Qing Dynasty Sulun (now Ewenki), Daruur (now Daur) history of the two tribes