The teaching mode of Open University is mainly through online self-study, and students can study according to their own time and progress. The school provides a wealth of online learning resources, including video courseware, tutorial micro-courses, online quality courses, online training courses, mobile phone courseware and so on. It is convenient for students to learn independently from distance. In addition, the Open University will arrange centralized face-to-face courses to provide students with opportunities for counseling and communication. These face-to-face courses are usually held at the end of the semester or within a specific period of time, and students can choose to participate. Through the combination of online self-study and centralized face-to-face teaching, the Open University can meet students' flexible learning needs and provide good teaching support.