1. Publisher: Tianyi textbooks are published by Tianyi Publishing House, and World Wide Web textbooks are published by World Wide Web Publishing House. There may be differences between the two publishing institutions in textbook compilation and teaching philosophy.

2. Textbook content: Tianyi Textbook is mainly aimed at the educational needs of China, and its content is closer to the educational system and the actual situation of students in China. The teaching materials of the World Wide Web pay more attention to international education, and the content is more global, covering more international topics and cultures.

3. Teaching methods: Due to the different contents of the textbooks, there are differences in teaching methods between Tianyi textbooks and World Wide Web textbooks. Tianyi textbooks pay more attention to traditional teaching methods and educational concepts, while the teaching of the World Wide Web pays more attention to interactive teaching and multimedia teaching. Tianyi teaching material is a set of teaching material system aiming at cultivating students' comprehensive quality. This textbook is published by Tianyi Education Publishing House and is suitable for primary, middle and high school students.