The Influence of Critical Period Hypothesis on Children’s Foreign Language Learning

In the context of globalization, China has been putting more and more emphasis on "telling the story of China in English", and the status of English teaching has become more and more important. The critical period hypothesis is a theory put forward by Ellis, a foreign linguist, who believes that there is a golden period for language learning. During this period, children are able to master language naturally and effortlessly. An important aspect of second language acquisition research is the age factor. In general, children are more likely to succeed in learning a foreign language than adults, and children have a child advantage in second language acquisition. However, academics have different views on the age factor, and Chinese parents are also hesitant to decide when their children should learn English, resulting in a trend towards learning at a younger age. Is there really a critical period in foreign language learning? Is there really a critical period in learning a foreign language and is it closely related to age? Do children really have an absolute advantage over teenagers and adults in learning foreign languages? Therefore, this thesis will firstly introduce the proponents and opponents about the critical period hypothesis, and secondly explain the influence of age factor on foreign language learning. Thirdly, talk about why the age factor affects second language acquisition. argue for the optimal age for foreign language teaching. Fourth, discusses the implications of children's foreign language learning. Finally, it is a brief conclusion.