中介语石化现象是二语习得中的一个普遍现象。本文从该现象的成因出发,分析了现阶段口语教学中的一些不足,提出了在口语教学中把focus onform的形式教学模式与交际教学相结合的策略能有效促进学习者中介语系统的发展,确保习得效果。 Interlanguage fossilization is a common phenomenon in second language acquisition. Based on the causes of this phenomenon, this article analyzes some shortcomings in oral English teaching at this stage and puts forward that the combination of focus onform teaching mode and communicative teaching in oral teaching can effectively promote the development of learner ’s interlanguage system, Make sure to learn the effect.