Legal. Top class learning is an online education platform launched through formal channels. Have legal business qualifications and corresponding licenses, comply with the provisions of national laws and regulations, pay attention to protecting users' personal privacy and information security, and ensure that users are not infringed during use. Top-class studies also actively respond to national policies and are committed to providing high-quality, efficient and standardized educational services to meet the social demand for education. Therefore, top-class learning is a legal online education platform.