The north extranet course was created well before 2010, and our online course has been focused on tailoring an educational programme specifically designed for every student who likes to learn a special feature. Our selected teachers are over 10,000 professors of the basics of higher education, creating a knowledge identity system and, above all, a smart learning education platform that has been built and developed autonomously for four years. Our north extranet course is only designed to meet the learning needs of our primary and secondary students. The north extranet course has evolved over the years, with almost four million users enrolled in the north extranet course, covering all provinces and municipalities around the country, including hong kong and australia, and being the leading trend in north extranet education. Future north extranet courses are dedicated to using science and technology to improve learning efficiency, and we are working to break down barriers in the educat...