“比”字句是对外汉语教学中一个非常重要的语法点,也是汉语初学者比较难掌握的一个语法点。本文运用第二语言习得中的偏误分析等理论考察了第二语言习得者对“比”字句的使用情况,也就“比”字句的偏误、成因和教学策略等方面发表自己的浅见,旨在减少第二语言习得者在使用“比”字句所产生的偏误,更好地服务于“比”字句的教学。 The word “比” is a very important grammar point in teaching Chinese as a foreign language, and it is also a grammatical point that Chinese beginners find it harder to grasp. In this paper, we use the theory of error analysis in second language acquisition to examine the usage of “比 ” by second language learners, and also the errors, causes and teaching strategies of “比 ” In order to reduce the errors caused by the second language learners in using “Ba”, we should better serve the teaching of “比”.