By writing about the current state of research at home and abroad, students can check whether they have read a lot of relevant literature. Before writing the thesis, students should organize the main ideas in the monographs and theses related to the topic of the thesis and select the most representative authors from them. When writing the thesis, these main ideas are summarized and the representative authors and the years in which they published their ideas are indicated. It is also necessary to comment on the shortcomings of the research on the current status of research at home and abroad respectively, that is, what other aspects are not covered, whether there is a research gap, or the research is not in-depth, what other theoretical issues have not been resolved, or what are the shortcomings of the research methodology, which need to be further researched. Third, write the current status of research at home and abroad should pay attention to the problem of the second is to reflect the latest research results. Third, do not write too little. If you only write a small paragraph, it means that you have not read much material. Fourth, if there is no literature directly related to the thesis topic, choose something closer to the thesis topic to write.