原型范畴理论是基于人类认知基础上的范畴化理论。本文以认知原型范畴理论为指导,主要分析了范畴的层级结构与英语构词之间的关系,即基本等级范畴往往体现于单音节的常用词;上位范畴一般是多词素的复杂长词;下位范畴一般是以复合词形式出现。 Prototype theory is based on the categorization theory of human cognition. Guided by the theory of cognitive prototype category, this paper mainly analyzes the relationship between the hierarchical structure of the categories and the English word-formation, that is, the basic hierarchical category is often reflected in monosyllabic common words; the upper category is generally a multi-morpheme complex long word; Subordinate categories generally appear in the form of compound words.