In all prefecture-level cities in Hunan (except Changsha), according to the data, junior high school mathematics uses Hunan educational textbooks, and Zhuzhou, Xiangtan and Changde can be clearly defined as Hunan educational textbooks. Most cities in China use the People's Education Edition, which is the most common version on the Internet. The so-called national general edition is the People's Education Edition.

Online classroom is a new way of learning, which is a series of learning tutorials provided for learners based on the Internet, including video, pictures, text interaction and other forms.

Online courses are online learning courses provided by service organizations. Different from offline classroom teaching, online classroom has the advantages of various ways, flexibility and convenience, and more and more students and parents are beginning to use it.

At the beginning of 2020, a sudden epidemic broke out, which disrupted the pace of our life and seriously affected people's hearts. Facing the severe global epidemic and complicated Internet virus information, in order to stop the epidemic from spreading to the campus and ensure the safety and health of teachers and students, the Ministry of Education of China recently issued a notice, demanding that the spring semester in 2020 be postponed, students should not go out, get together, hold or participate in concentrated activities at home, and various training institutions should cancel all kinds of offline courses as required.