本文从接触语言学和语言类型学角度论证南方民族语言(侗台、苗瑶、南亚及南岛)领属结构式的固有语序是NG,部分语言出现的GN模式则是接触引发的“NG>GN”演变和变异的产物。触发这种演变和变异的模式语是汉语,而演变的机制主要是语序重组。 In this paper, from the perspective of contact linguistics and linguistic typology, we prove that the inherent language order of the genitive structures in the southern national languages ​​(Kamtai, Miao-Yao, South Asia and South Island) is NG, and the GN model in some languages ​​is the “GN” GN "The product of evolution and mutation. The pattern language that triggers such evolution and variation is Chinese, and the mechanism of evolution is mainly reorganization.