The breadth of English vocabulary determines the acceptability and learning efficiency of English learners. This paper mainly discusses the main test methods of English vocabulary, such as dictionary test method, text reading method, phased testing method and word frequency grading test method. According to the characteristics of English vocabulary teaching, some suggestions for IELTS Vocabulary Teaching are put forward. According to the difficulty of English words, those wordsare divided into different levels for teaching, hoping to provi...