The content of Hebei Education Edition is relatively difficult, and students are emphasized to experience the process of observation, operation, reasoning and imagination. The content of "People's Education Edition" is relatively simple, and it pays more attention to the exploration of problems. Textbooks for primary and secondary schools are compiled under the guidance of curriculum standards promulgated by the state and approved by relevant departments. The state supports different versions of teaching materials and innovation. The content of the same subject in the same grade has great similarity in the treatment of different teaching materials. Because they are all guided by curriculum standards. But at the same time, they all have their own characteristics and innovations.