基于第二语言习得的五个假说,克拉申(Stephen D.Krashen)和泰勒(Tracy Terrell)提出了语言习得的“自然法”(Natural Approach)。本文结合我国外语听说教学中存在的问题,从理论和实践角度分析自然法的四个基本原则对促进语言习得的指导作用,提出教学中如何充分开发利用自然法的基本原则,以促进学生的口语表达能力。 Based on the five hypotheses of SLA, Stephen D. Krashen and Tracy Terrell put forward a language-based “Natural Approach.” Based on the problems in listening and speaking of foreign languages ​​in China, this paper analyzes the guiding role of the four basic principles of natural law in promoting language acquisition from the perspective of theory and practice, and proposes how to fully develop and utilize the basic principles of natural law in teaching so as to promote students’ Speaking skills.