定语是英蒙语句子的重要组成部分,而英语定语的习得亦是蒙古族英语学习者和英蒙翻译者的难点之一。本文对英蒙双语的定语从成分、位置、语序等方面来进行比较,以期找出英蒙两种语言的定语成分的异同,使蒙古族英语学习者对英蒙定语表达的异同有较全面的认识和理解,从而更好地促进英语定语的习得,有效提高蒙古族英语学习者的英语学习效率。 Attributive is an important part of English-Mongolian sentences, and the acquisition of English attributives is also one of the difficulties of Mongolian English learners and English-English translators. In this paper, we compare the attributives of English and Mongolian from the aspects of composition, position and word order in order to find out the similarities and differences between the attributive elements of English and Mongolian languages ​​and to make Mongolian English learners’ Understanding and understanding, so as to better promote the acquisition of English attributives and effectively improve the English learning efficiency of Mongolian English learners.