Since English became a compulsory subject from elementary education to higher education in China, the discussion about Chinese ESL learners has never ceased. However, the focus on the English performance of Chinese university students is less than secondary school students in recent years. Therefore, through a systematic literature review, this study will investigate the impacts of some key factors on the English proficiency of Chinese university students. The results reveal that both external

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... nd internal factors have more or less influence on the English learning of these students. This study can be used as a starting point for Chinese universities to formulate more feasible English teaching strategies, eliminate the negative effects of various factors and improve the English performance of Chinese university students.