随着互联网的迅速发展,英语教学进入了全新的时代,它为英语教学和学习提供了丰富资源,老师和学生的角色和作用都相应的发生了转变。本文从21世纪的大学英语教学的现状出发,论述了大学英语词汇学习的重要性,分析了网络环境下词汇学习的利弊,即在老师的引导下充分发挥学生的主动性。 With the rapid development of the Internet, English teaching has entered a new era. It has provided abundant resources for English teaching and learning. Corresponding changes have taken place in the roles and roles of teachers and students. Based on the current situation of college English teaching in the 21st century, this article discusses the importance of college English vocabulary learning and analyzes the pros and cons of vocabulary learning under the network environment. It gives full play to students’ initiative under the guidance of the teacher.