This paper is divided into five parts, the first part is the introduction, which includes the research background, purpose and significance, as well as the structure of the paper. The second chapter is literature review and theoretical basis, which mainly includes the introduction and research of self-learning theory at home and abroad. The third chapter is the introduction of the research topic. It includes the advantages and problems of research subjects. The fourth chapter is research, investigation, analysis and improvement suggestions. The fifth chapter is the conclusion of the paper, including the conclusion, characteristics and shortcomings of the paper, as well as the future research prospects.<br>
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