This article analyzes the common problems the minor nationality such as Dawoer Nationality with Language but without Character faced from perspective of culture change.
The present article has introduced the ethic concepts of Dour nationality from its people's daily social life, marriage and religious customs, arts and political morality.
Some of them are formed by the different peoples in blood mixing and some of them and native like Mongolians and some of them migrant from Manchuria like the Xibos and the Daurs.