The national version of learning and thinking online school is different from the people's education version. The national edition of Learning and Thinking about Mathematics is a mathematical thinking exercise that can be used by children in all provinces and cities in China. It is the research and practice of mathematics part according to the mathematics outline. The People's Education Edition of learning and thinking can only be used in the popular mathematics textbooks of People's Education Edition in China. The contents of the two versions are different, and the settings of some chapters are also different.