内蒙古通辽地区是典型的蒙汉杂居地区,形成了独特的语言接触现象,本文从语言接触的社会动因及发展趋势两个方面,对通辽地区蒙汉语言接触现象进行分析。从社会动因来看,历史上的蒙汉民族接触导致了蒙汉语言接触,建国后的社会语言规划促进了蒙汉语言接触的发展,城市化进程加快了蒙汉语言接触和语言使用功能上的变化。从发展趋势来看,蒙汉两种语言并用现象将长期存在,蒙古族人的汉语使用水平将逐步提高,母语保护意识将会加强。 The Tongliao area in Inner Mongolia is a typical Mongolian - Chinese mixed region, forming a unique phenomenon of language contact. This article analyzes the phenomenon of the language contact between Mongolian and Chinese in Tongliao from two aspects of social motivation and development trend of language contact. From the perspective of social motivation, the historical Mongolian-Han ethnic contacts led to the Mongolian-Chinese language contact, and the social language planning after the founding of PRC promoted the development of Mongolian-Chinese language contact. The urbanization accelerated the function of Mongolian-Chinese language contact and language use Variety. From the perspective of development trend, the combination of Mongolian and Chinese languages ​​will last for a long time, Mongolian Chinese will gradually increase their use of Chinese and the awareness of mother tongue protection will be strengthened.