Research progress is an academic document, usually a comprehensive document. The main purpose of research progress is to make a comprehensive review of a certain field or problem and summarize the latest research results and progress in this field or problem. Research progress is usually written by professionals or authorities in this field, which has high academic value and reference significance. The writing of research progress usually requires reading and analyzing a lot of literature in related fields to ensure the comprehensiveness and accuracy of the content. Research progress is common in various academic journals, dissertations, scientific reports and other literature types.