从四方面探讨关于词类的划分这一汉语语法焦点问题:受西方语法理论和体系影响建立的汉语语法体系;西方语法体系词类划分的情况及对汉语语法体系词类划分的影响;汉语词类划分讨论的几个阶段及讨论成就;现代汉语教学语法词类划分的情况。 From four aspects, this paper discusses the classification of Chinese parts of speech, which is the focus of Chinese grammar: the Chinese grammar system which is influenced by western grammar theory and system; the classification of Chinese grammar system’s part of speech and its influence on the classification of Chinese grammatical system; Several stages and discussing achievements; Partition of grammar class in modern Chinese teaching.