After Xinjiang was united, the Qing Government implemented, in line with local conditions, a series of national policies: formulated administrative systems in light of local customs and traditions, offered amnesty and enlistment to the upper class of minorities, made use of and restricted religion and national segregation policy. These policies played an active role in safeguarding stability and promoting the developments of politics, economy and society in Xinjiang. However, the dual nature of the Qing Dynasty and its national ideologies included many defects in implementing these policies, which leaves a source of further troubles in handling national issues even in present China.