Cultural Interaction and Poem Composition with the Circumstances of National Relations in Northwest China in the Tang Dynasty

This paper study on its profound influence on the Tang people's life style,idea and poem composition.The new prospective that Heth eterogenous culture of the numerous ethnic strains brought to the Tang people also has a analytic demonstration in this paper,which triggered the Tang people 's desire of expressing their feelings with poems.This not only expanded the T ang people's poem composition ranges,but also made poems reflecting national relations in Northwest China contain esthetic culture of ethnic factors.