CET-4 composition can be divided into five categories: pictorial composition, open composition, philosophical composition of famous sayings, practical composition and outline composition. Therefore, CET-4 will take the picture composition.

CET-4 refers to the National College English Test Band-4, which is a large-scale standardized test sponsored by the Ministry of Education. It is an objective and accurate measurement of college students' English ability and provides a scientific basis for the teaching evaluation of college English courses in China.