本文利用认知语言学的语义范畴理论对日语「あ」类常用动词进行认知分析,阐释「あ」类常用动词的类属划分以及家族相似性的组织性和规律性。并以人们来自客观世界的经验和认知事物的规律为基础,探析「あ」类常用动词原始模糊语义的产生、发展与习得的内在机制,从而建立一个以家族相似性为特征解释「あ」类常用动词的语义网络。 In this paper, we use the semantic category theory of cognitive linguistics to make a cognitive analysis of commonly used Japanese “a” verbs, and explain the generic classification of “a” common verbs and the organization and regularity of family similarities. And based on the experience of people from the objective world and the laws of cognitive things, we explore the internal mechanism of the origin, development and acquisition of the primitive fuzzy semantics of the “a” common verbs, so as to establish a " Semantic networks of common verbs.