运用语言学和心理学的理论探讨了词汇教学对学生的阅读能力提高所起的关键作用，提出学生开展娱乐型自我阅读，即从真实的语言环境中习得语言，是提高阅读理解能力的重要途径。 Using the theories of linguistics and psychology, the author discusses the key role that vocabulary teaching plays in improving students’ reading ability. It is suggested that students develop entertaining self-reading, that is, acquiring language from a real language environment is important for improving reading comprehension way.