It's true. Beijing Yuzhentang Vocational Training School is a formal professional school for health skills training. It's an officially accredited law school. It holds formal business certificates and relevant qualification certificates, so the online courses it sells are real. Online courses are online courses that are learned by electronic devices through the Internet. They are online courses, that is, courses learned through browsers on the Internet, which embody modern educational ideas and modern pedagogy theories. It is resource-based learning, situational learning and collaborative learning, and it refers to a course characterized by interactivity, enjoyment, openness, collaboration and autonomy.