Abstract: Based on the field investigation and by understanding the cultural ecology of society and culture of Nu nationality,the author combines the cultural ecology with the core of the traditional culture of Nu nationality and gives a relevant research on acculturation.The birth and existence of the traditional survival way of Nu nationality in Yunnan has its certainty.The author further proposes that the survival environment of certain nationality has some relationship with its acculturation.At the same time,it is necessary that the field investigation and the knowledge of nationality annals should be promoted to understand the culture deeply and to examine the intentions and actions that are meant to change their fate.

Key words: survival environment, cultural adjustment, cultural core, Nu nationality