However, they are all aimed at making the self-taught candidates who graduated from high school have a Chinese level, further improving their reading and writing abilities, improving their cultural literacy, and laying a solid foundation for studying various professional courses in higher education and receiving general education.

The details of the notes are appropriately added, and some tips are given on the difficulties of the work. In the "thinking and practice" listed at the back of each work, enlightening questions are provided to improve writing ability and aesthetic thinking. The capacity is not large, which is convenient for candidates to review before the exam.