According to Zhihu, there are three types of CET-6 composition: argumentative composition, expository composition and graphic composition. Among them, argumentative essay and expository essay are traditional composition types, while chart composition presents information in the form of charts, figures or pictures, requiring candidates to analyze, compare and summarize the data, trends or proportions given by charts and write corresponding articles.

According to some examination institutions and previous years' examinations, the examination frequency of chart composition in Band 6 is relatively high.