The research status at home and abroad also refers to literature review, but one of the writing ideas of literature review can be described from two angles of the research status at home and abroad, so it can also be called the research status at home and abroad, mainly covering the research status most closely related to this research topic.
The normal source of information should be extensive reading of periodical papers, dissertations, books and other documents, and then screening and interpreting them by yourself to find out the time axis and key contribution lines of the research status at home and abroad.
Generally speaking, "status quo" refers to the early stage, but the recent period generally covers three to five years, which is used to show that research still has strong vitality and ensure that your research keeps up with the trend of the times and does not fall behind.
Overview of research status at home and abroad;
It should include the scope of literature search, the criteria for querying and selecting articles and reports. Usually the research report will also include the theoretical basis of this study. Literature review should draw some interrelated viewpoints from other people's studies and form a unified statement, instead of treating each study as an unrelated individual study. Literature review should avoid over-quoting the original text.
The summary of the research status at home and abroad must critically evaluate the existing research and achievements, not just summarize the existing research achievements. The necessity of supporting this research should be discussed in the literature review. Literature review should show that researchers have fully understood the relationship between existing research and future research.