社会认知视角下的二语习得以全新的视角对“双语双方言”现象给予描写和解释,主张将内在机制与外在社会环境结合起来研究第二语言。文章在二语习得理论框架下,探讨双语双方言现象的本质和双语双方言习得的过程及社会原因,并用克拉申的二语习得理论分析我国双语教学的现状及我国双语教育所面对的挑战。 Second language acquisition from the perspective of social cognition To describe and explain the phenomenon of “bilingual double dialect” from a brand new perspective, advocating combining the internal mechanism with the external social environment to study the second language. Under the framework of second language acquisition, this essay explores the essence of bilingualism and bilingualism and the process and social reasons of bilingualism, and analyzes the current situation of bilingual education in China and the perspectives of bilingual education in China based on Krashen’s second language acquisition theory The challenge.