Clear Customs Before Establishing The Research Problem

The age before Qing going into the lord of China was a very important period ofQing Dynasty’s history，which was a turning point from its original clan society tofeudal society. The pledge as an indispensible phenomena at this particular historicalperiod played a significant role in the history of Nuzhe（n Manchu）Nationality with itsessential family of Aisin Gioro. The pledge including the war pledges among its Nuzhentribes，the political and martial pledges with Mongolia and the vassal relationshipspledge with Korea，which had diversified connotations and vital significance to thedevelopment of Nuzhen，in the meanwhile established consolidated foundation for itsconquering the central plain of China. Besides，the pledge played an undeniablecontributions to the maintenance of society order at that time. To research the issues onQing before it going into the lord of China helps us to learn in detail about theconditions of its politics， military and society etc.