本文拟对第二语言的传统教学和习得方法提出质疑和挑战 ,笔者极力倡导外语学习者多做新尝试 ,大胆创新改革。笔者就第二语言词汇习得进行了研究探讨。首先是高效捷径进入活性词汇学习法 ,接下来是如何拓宽词汇流循环学习法 ,再就是辐射性词汇习得法。这就是笔者推崇的“高效原理” This article intends to challenge and challenge the traditional teaching and acquisition methods of second language. The author advocates foreign language learners to do more new attempts and innovate boldly. The author studied the second language vocabulary acquisition. The first is the efficient shortcut to enter the active vocabulary learning method, followed by how to broaden the lexical circulation learning method, then there is radioactive vocabulary acquisition method. This is the author of “efficient principle”