In order to ensure the health and safety of teachers and students, Luanzhou Education Bureau requires the county to suspend offline classes from March 2, 2022, and start online class teaching mode.

Online courses are online courses that are learned by electronic devices through the Internet. Network course is a course based on Web, that is, a course learned through a browser on the Internet. Network course is a course that embodies modern educational ideas and modern pedagogy theories. Online course is a kind of resource-based learning, situational learning and collaborative learning. Network course refers to the course characterized by interactivity, sharing, openness, cooperation and autonomy in the learning process.