Yishengli is an organization that provides online education services. In addition to online live lectures and recorded courses, courseware download is also provided for students to learn. You can use these courseware materials to help students better understand the knowledge.

When using courseware materials, we should pay attention to the copyright of courseware content, and don't use courseware materials for commercial purposes or illegally spread them in other ways. In addition, in order to avoid the unknown source of courseware and possible risks, it is suggested to download courseware from official channels (such as "Lifelong Benefit" official website, APP, etc.). ).