摘要：Language harmony means that different languages and their dialects can coexist in harmony in the same *** is not only a linguistic issue,but also a social *** an independent branch of language study in China,language harmony study covers the following topics:The value of language harmony,the types of language harmony,the factors that affect language harmony,the construction path of language harmony,*** main research methods include:case study,a combination of synchronic and diachronic research and multidisciplinary *** results of relevant studies of language harmony in China show that,in the past fifteen years,the study of language harmony in China has grown and presents the following characteristics:The results are mainly papers(206 papers)and a few monographs(6 books);the initial stage is dominated by theoretical discussions;subsequently,the case study is in a dominant position;there are more case studies than theoretical studies in total;case study results focus on a few topics;case studies are still the current focus of study;the total number of results has shown a decreasing trend after *** these recent findings,case studies of language harmony in China lack width and profundity,and its theoretical discussion still needs to be deepened and improved.