“微课”作为一种新型的教学模式和学习方式,受到教育界越来越多的关注,成为当前教育行业的一大趋势。对教师而言,微课将革新传统的教学与教研方式,突破了教师传统的听评课模式,成为教师有效教学强有力的辅助手段。对学生而言,微课能更好地满足他们对不同学科知识点的个性化学习、按需选择学习的要求,是传统课堂学习的一种重要补充和资源拓展。着重概述了微课的定义和特点,说明了微课在高中英语教学中的重要性,并进一步用实例说明微课在高中英语教学中有着重要的作用,能激发学生学习英语的兴趣,促进学生自主有效地学习,提高英语学习效率。 As a new type of teaching mode and learning mode, “Micro Class” has drawn more and more attention from the educational circles and has become a major trend in the current education industry. For teachers, micro-class will innovate the traditional teaching and research methods, breaking the traditional listening and criticizing teachers mode, a powerful tool for teachers to effectively teach. For students, micro-class can better meet their individual knowledge of different disciplines of knowledge-based learning, the choice of learning requirements, is an important complement to traditional classroom learning and resource development. The paper summarizes the definition and characteristics of micro-class, explains the importance of micro-class in high school English teaching, and further illustrates that micro-class plays an important role in high school English teaching. It can stimulate students ’interest in learning English and promote students’ Learn independently and effectively and improve the efficiency of English learning.