本文介绍了儿童语言中代词的发展顺序，从认知和功能角度解释了这一发展过程的合理性。文章指出，儿童在习得各种语言成分时，其习得时间的早晚不仅受该语言成分语义理解难度和语言形式的复杂程度等因素的制约，而且与该语言成分在交际中的作用与地位有关——作用越大，越具有不可替换性，优先习得的可能性就越大 This article introduces the development of pronouns in children’s language and explains the rationality of this process from a cognitive and functional perspective. The article points out that when learners acquire various language components, their acquisition time is not only restricted by the difficulty of comprehending the semantic meaning of the language component and the complexity of the language form, but also with the role and status of the language component in communication Relevant - the greater the role, the more irreplaceable, the greater the likelihood of prioritization