摘要:Based on empirical research and qualitative analysis, this paper aims to explore the effects of Lengthened Writing Approach on L2 vocabulary acquisition. The results show that, during L2 vocabulary teaching process, the proper application of Lengthened Writing Approach can effectively facilitate the memorization of new words, and this teaching approach is welcomed by most subjects. This study highlights the role of Lengthened Writing Approach in L2 vocabulary acquisition, and sheds light on the college English learning and teaching.