With the rapid development of information technology, a single way of learning can not meet the learning needs of students, blended learning came into being. Digital education has been placed in an increasingly prominent position. The cultivation and improvement of teachers' digital literacy should keep pace with the times, adapt to the needs of the development of the times, and improve the effectiveness of blended learning.The purpose of this study is to explore the framework of influencing students' blended learning, to examine the current situation of influencing students' blended learning, and then to explore the relationship between various factors influencing blended learning. The research question of this article is: The impact of teachers’ digital literacy, policy support and students’ self-perception on blended learning First of all, this paper will understand the current situation of blended learning through literature review, and then carry out questionnaires, interviews and research through reasonable assumptions. This article will further analyze the potential influencing factors of blended learning, including teachers’ digital literacy, policy support and students’ personal perceptions, and provide preliminary basic research for future investigations.