There is a unified thinking in the compilation of teaching materials, and the versions are not unified and the thinking is inconsistent, which brings great inconvenience to teaching work. In the compulsory education stage, the same version of textbooks must be implemented, and it is stipulated to choose the textbook of PEP. Because people's education edition has great practicability, it is a summary of years of education and teaching practice.

People's Education Edition is a textbook published by People's Education Publishing House, which is available from primary school to high school, and is also used in most schools. People's Education Edition is based on the most basic requirements of the syllabus, and the explanation is relatively simple, mainly through experiments.