| Following the economic and cultural development of China and Mongolia foreign relations, the number of Mongolian students who choose to study Chinese is also increasing. The teaching of Chinese as foreign language to Mongolian students is getting as consequence a deep development. Mongolian and Chinese languages are different each other, Mongolian focus more on the general structure whereas Chinese focus more on the analysis aspects.The following paper researches on the usage of “cai†and “jiu†particles, the related mistakes and teaching issues.The contents of this paper can be divided in five paragraphs, the first paragraph is the preface, and it includes the research aim and meaning, description of the research, research object and research area.The second paragraph focuses on the examination research on “cai†and “jiuâ€, with the related meaning, differences, and the way they are expressed in the Mongolian language.The third paragraph is based on the analysis of the use mistakes of Mongolian students when using “caiâ€and “jiuâ€. This part is based on an investigation and on an analysis.The fourth paragraph is more focused on the main reasons why Mongolian students make mistakes when using “caiâ€and “jiuâ€.The fifth paragraph is related to what to do from a teaching perspective. On the basis of the questionnaire and the compared analysis, the kind of mistakes that can be made by Mongolian students are summed up and suggestions are also proposed. The language is not only a media, but is also a kind of activity. The following paper is directed to promote the research in the field. |