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Extract code: s4fg distance education is an educational form of systematic teaching and communication through various media, and it is an education of transferring courses to one or more students outside the campus. Modern distance education refers to the transmission of courses through audio, video (live or video) and computer technology, including real-time and non-real-time education. Modern distance education is a new type of education with the development of modern information technology. With the development of computer technology, multimedia technology and communication technology, especially the rapid development of internet, the means of distance education has made a qualitative leap and become a distance education under high-tech conditions. Modern distance education is an educational method which is mainly based on modern distance education means, compatible with traditional teaching forms such as face-to-face, correspondence and self-study, and optimized combination of various media.