The Relationship between Heilongjiang Files in Manchu in Qing Dynasty and Study on Mongolia Nationality

In Qing Dynasty, the Manchu had a close relationship with Mongolia nationality. It was an important content in power building of Qing Government to keep Mongolian tribes stable and to administrate them effectively. In Qing Dynasty, the various Mongolian tribes of Heilongjiang not only developed themselves very well in such aspects as economy, culture, religion and population, but also contributed a lot to fighting against Tsarist Russia , putting down the rebellion of Gerdan and garrisoning the frontiers. So it is academically valuable for promoting research on the Mongolian history and Qing history and for the study on nomadic culture of Mongolian pasture to sort out and study the Mongolian historical materials in Heilongjiang Manchu files of the Dynasty