Chinese national dignity is an integral part of the sense of community for the Chinese nation,and the ethnic theories and policies play an important role in the awakening of Chinese national dignity consciousness in modern China,for aiming to solve domestic ethnic problems,the policy system of ethnic equality, ethnic unity and regional ethnic autonomy, formed in the exploration of ethnic theories and policies, can promote the development of the Chinese nation and safeguard Chinese national dignity. So only in line with the new requirements of national work in the new era,and giving full play to the value functions of ethnic theories and policies in safeguarding national reunification, ethnic unity, and national development can we further preserve Chinese national dignity.