词典是沟通母语和外语的桥梁,查字典是学习外语的重要手段。本文从将词典教学引入英语教学的必要性入手,分析了在课堂教学中,教师应该如何指导学生进行科学选择和合理运用词典,以提高学生自主学习英语的能力,使词典运用和英语教学有机结合,改善和优化现有的英语教学。 Dictionary is the bridge between mother tongue and foreign language, dictionary is an important means of learning a foreign language. This paper begins with the necessity of introducing dictionary teaching into English teaching and analyzes how teachers should guide students to make scientific choices and use dictionaries reasonably in order to improve students’ abilities to learn English independently and make the combination of dictionary and English teaching organically , Improve and optimize existing English teaching.