1. Openness: Modern distance education with Internet and multimedia technology as the main media. It breaks through the limitation of learning space and time, and endows modern distance education with the characteristics of openness;

2. Advanced technology: The prospect of distance education depends on advanced technology. The technical support of modern distance education is based on computer technology, software technology and modern network communication technology. Digitalization and networking have ossified the main features of modern distance education.

3. Freedom and flexibility: Modern distance education focuses on students' self-study, supplemented by teachers' assistance. It can meet the requirements of individualized learning of the educated, giving them greater autonomy, and the educated can learn according to their own choices, turning passive acceptance into active learning;