Hakka - Chinese Folk Clan Island "phenomenon

Hakka is the branch of the Han nationality. It has a large number of population, spread all over the country and oversea, and it has an important influence in the fields of politic and economy.This paper with the clue of the "clan relatives isolated island"s formation and change, in the angle of globalization and modernization, research the "Dialect Islands''s crisis, ethnic groups acculturation, culture heritage, etc. The paper from four angles, that is, three large population migration of ancient china, the living environment, the economy character and gather living mode, discuss the cause of formation of "clan relatives isolated island", and introduce its migration and region distribution. Discuss the excellent inspirit particularity of the "clan relatives isolated island" according to expatiate the deploitation history , economy living, folkway and convention of Hakka.With the history evolvement and social innovation , Hakka's Ethnic groups feature is becoming more and more melting. The paper analyse the challenge and the crisis of Hakka was faced with, discuss the important meaning of Hakka's rebound and rebuild and it's chance, and reason the way of rebound and rebuild.