本文首先详细描写了新县方言指示代词的形式与功能。在此基础上,我们从形式更替与功能保持、新县方言指示代词的三分、知觉理论在新县方言指示代词中的运用等三个方面进行了讨论,最后得出结论:新县方言指示代词的三分是真正的三分,心理、认知的原因是造成指示代词特殊用法的更深层原因。 This article first describes in detail the form and function of the demonstrative pronouns in Xinxian dialect. On this basis, we discuss three aspects: form substitution and function preservation, one-third of demonstrative pronouns of Xinxian dialect, and the use of perceptual theory in the demonstrative pronouns of Xinxian dialect. Finally, we conclude that the instruction of New County dialect Three-pronoun pronoun is the true third, psychological, cognitive reason is the cause of the specific use of the demonstrative pronouns deeper reason.