本文从三个方面对现代汉语名词ＡＡＢＢ复叠式进行考察与分析。认为，从构造性质看，名词复叠既属于构形范畴，也属于构词范畴；既可以是重叠式，也可以是叠结式。从功能形类看，既保留了其基式的体词性句法功能，又衍生了一定程度的谓词性功能。从表义功用看，可以用于遍指与统指，也可以表示泛化与转化 This article examines and analyzes the AABB cascade of modern Chinese terms from three aspects. In view of the nature of construction, the nouns cascade belong to both the category of formation and the category of word formation. They can be either overlapping or overlapping. From the perspective of functional form, it not only retains its basic formal syntactic function of body parts, but also derives a certain degree of predicate function. From the perspective of the function of meaning, it can be used for both universal and unanimity, also can be expressed as generalization and transformation