This paper takes 419 non-English major sophomores as research objects, and makes a quantitative study with a questionnaire "College Students' English Learning Anxiety in Online Live Class" during the epidemic. The findings show that in the online live class learning environment, the English learning anxiety of college students are mainly manifested in online classroom anxiety, offline English test confidence anxiety, offline English test anxiety and offline English test result anxiety. The study further explores the relationship between English learning anxiety and English performance. The results show that all the anxiety factors have negative correlation with English performance. Among them, "offline English test anxiety" and "offline English test result anxiety" have a predictive effect on English test scores, especially CET4 scores; while "online live class anxiety" and “offline English test confidence anxiety” have no significant predictive effect on English test scores. This provides the following references for college English teaching in online live courses: 1) To make full use of the advantages of online live course, adjust the teaching strategies and teaching method, and carefully design all aspects of online teaching, allow students to learn in a relaxed atmosphere, stimulate students' motivation and improve the learning effect of English teaching in online live classes. 2) To fully understand the anxiety of college students’ English learning, and in response to the high anxiety and low test scores, teachers can consciously cultivate students' ability to transform English knowledge into application during the live teaching, effectively improve students' test-taking skills, gradually reduce students' fear of offline English exams and test anxiety, and effectively improve college students' comprehensive English proficiency.