根据萨丕尔一沃尔夫假说,语言是思维的工具,并在某种程度上决定我们对世界的看法。在二语习得过程中,由于母语的存在,语言与思维的关系就更为复杂。正确理解二者的关系能帮助我们了解二语习得的过程,和母语的正负迁移现象。本文从语言与思维关系角度出发,分析了母语在二语习得中的正负迁移作用,及对二语习得的启示。 According to the Sapir-Wolfe hypothesis, language is a tool of thinking and to some extent determines our perception of the world. In the process of second language acquisition, because of the existence of mother tongue, the relationship between language and thinking is more complicated. Correct understanding of the relationship between the two can help us understand the process of second language acquisition, and positive and negative migration of the mother tongue phenomenon. Based on the relationship between language and thinking, this article analyzes the positive and negative transfer of mother tongue in second language acquisition and its implications for second language acquisition.