自乔姆斯基以来,语言学对认知科学、心理学、医学、法律实践、第二语言习得等学科都产生了巨大的影响,当代社会语言学在人们社会生活中的重要作用不可忽视。本文主要介绍徐大明教授的《当代社会语言学》这本书,进而对其做一个简要的书评。 Since Chomsky, linguistics has had a tremendous impact on disciplines such as cognitive science, psychology, medicine, legal practice and second language acquisition. The important role of contemporary social linguistics in people’s social life can not be ignored . This paper mainly introduces Professor Xu Daming’s “Contemporary Sociolinguistics” book, and then make a brief book review.