Language adaptation problems of Sanxia immigrants are important social life problems. From the perspective of language contact and language fusion, taking Sanxia immigrants in Hengyang as subjects, this paper deals with the problem of language adaptation of Sanxia immigrants. Sanxia immigrants' language competence and discourse model, language attitudes and the difference in gender, age, occupation are analyzed. Possible predictions about Sanxia immigrants' absorbing Hengyang dialect, change of language attitudes, inclination of their language life and future language development have been mad...