According to "People's Republic of China (PRC) Compulsory Education Textbook", it is compiled according to national curriculum standards and students' physical and mental characteristics.

Textbooks, also known as textbooks, are teaching books that are written according to curriculum standards and systematically reflect the subject content. They are mainly composed of contents, texts, exercises, experiments, charts, notes and appendices.

Textbooks are the concretization of curriculum standards, which are usually divided into books, units or chapters according to academic year or semester. Texts are the main part of textbooks and an important symbol to measure the basic education level of a country or region.

Broadly speaking, all activities that enhance people's knowledge and skills and affect people's ideology and morality are teaching materials. Teaching books written according to the requirements of curriculum standards.

Also known as textbooks and teaching materials. According to the users, it can be divided into three categories: primary school textbooks, middle school textbooks and university textbooks. College textbooks are highly professional and have high academic reference value, which are often valued by libraries.

Textbooks generally summarize and systematically expound the existing knowledge and achievements of a certain subject, and rarely make new explorations and put forward their own opinions. They should be comprehensive, systematic and accurate.

Knowledge expansion:

Education in a narrow sense mainly refers to school education. Its meaning is that educators exert influence on the body and mind of the educated purposefully, planned and organized according to the requirements of a certain society, and cultivate them into people with certain social needs.

Teaching materials Generally speaking, different schools will formulate teaching plans and supporting teaching materials according to certain teaching plans or syllabus, which is the teaching material.

According to the users, it can be divided into three categories: primary school textbooks, middle school textbooks and university textbooks. University textbooks are highly professional and have high academic reference value, which are often valued by various libraries.

Textbooks are generally not original research results, but comprehensive induction and systematic exposition of existing knowledge and achievements of a certain subject, and rarely make new explorations and put forward their own opinions. Teaching materials should be comprehensive, systematic and accurate in terms of material selection, concept elaboration, introduction of different viewpoints or schools, comprehensive induction, analysis, demonstration and summary of subject knowledge.