彝语诺苏话是话题凸显型语言,语序和话题助词是话题的重要标示手段。彝语诺苏话的基本语序“施事-受事-动词”和“受事-施事-动词”都表达话题-述题结构,在语用因素的驱动下,句法上非句首论元可以出位至句首实现话题化。高频使用的专用和兼用话题助词是彝语话题的重要形态标记。不同的话题标示手段标示不同类型的话题。 Yi Nuosu dialect is a prominent topic language, word order and topic auxiliary word is an important means of labeling. The basic sequence of Yi Nuosu dialect “subject matter - the affair - verb ” and “affair - affair - verb ” are the subject of expression - the structure of the proposition, driven by the pragmatic factors, the syntax is not Sentence first argument can be out to the first sentence to achieve the topic. The dedicated and concurrent topic auxiliary used at high frequencies is an important morphological mark of the Yi language. Different topic labeling means different types of topics.