本文通过具体实例论述了景颇语的“里、处”既有方位词属性，又有结构助词属性，是虚实两重性的词，并认为虚实两重性是景颇语实词虚化过程中的一种变异现象，分析了其出现的两个条件。文章还根据这种语言事实提出了景颇语语法分析中的“跨性”原则，即对双重性的语言现象采用多元分析法。 This paper discusses the “location and location” of both directions and place in Jingpo language through the concrete examples. It also possesses the property of structural auxiliary word, which is the word of the duality of the actuality and the actuality. It is considered that the duality of the actuality and the reality is a variation phenomenon in the actualization of Jingpo dialect, The two conditions of its emergence are analyzed. The article also proposed the principle of “transsexuality” in the grammatical analysis of Jingpo language according to the fact of this language, that is, adopting the multiple analysis method to the duality linguistic phenomenon.