The Significance of Second Language Acquisition on Foreign Language Teaching

Second language acquisition mainly studies people's ability to acquire language ability, especially the ability to acquire foreign language. It involves linguistics, neurolinguistics, language education, sociology, etc. Now it has developed into a brand new discipline. In the second language acquisition theory, understanding the input language is a necessary condition for acquiring a second language. After the learner contacts the intelligible language input information or material, it intuitively produces the first physiological effect, which is human cognition understanding and accepting the universal reaction of new things, so second language acquisition theory has important reference meaning for foreign language teaching.