Taking"head"and"hair"as examples,this paper uses the geolinguistic method to dis-cuss the contact-induced variation of the core words in Zhuang language.On the one hand,the etyma and diachronic substrata of the two concepts are determined;on the other hand,according to the geo-graphical distribution and historical evidence,it analyzes the patterns and the era of Zhuang-Chinese language contact.And put forward the"Regional Principle".The case implies that Zhuang-Chinese language contact has taken place in different ways and different periods,reflecting the close relation-ship between minority languages and Chinese.