摘要
Vocabulary has been the most difficult part language learners encounter in the process of their language learning and their daily communication. Nevertheless vocabulary teaching and learning has not been given due importance and has become the bottleneck in college English instruction although it is central to language learning. Task-based Instruction Approach, noted for its advanced methodology in facilitating vocabulary learning and teaching, is introduced in the vocabulary teaching implementation in this paper. By analyzing the theoretical basis and features of Task-based Instruction Approach, the author puts forward strategies for vocabulary teaching and learning as well as principles in task design with the aim of improving leamers' vocabulary acquiring competence and language competence, fostering learners' emotional and cognitive development, and at the same time providing insights into culture of English language