Many Erhu compositions of Jiangnan(areas south of the lower reaches of the Yangtze River) style sprang up in the twentieth century,so that the style of Jiangnan has been the weightiest Erhu art featured by its regionalism.By means of the cultural interpretation for the formation of this regional style and the morphological analysis for the Erhu compositions with this style,this thesis aims to seek the relations between the musical creati...