“那谁”是北京方言中的常见词汇,是在日常交流中出现舌尖现象情况下用来表示指称对象的权宜之称,同时,它也可以作为指别语和称呼语。本文基于语用标记论视角对“那谁”进行分析。首先,就“那谁”结构特征、语境依赖性以及不对称性和标记性特征进行分析,然后从关联论和省力原则的角度探究“那谁”的语用标记价值。 “Who is ” is a common vocabulary in Beijing dialect, which is used to express the excuse of the object of reference under the tongue communication in daily communication. It can also be used as an alias or addressative language. This article analyzes the “who” from the perspective of pragmatic labeling theory. First of all, we analyze the structural features, contextual dependencies and asymmetry and labeling features of “who ”, and then explore the value of pragmatic labeling “who ” from the perspective of relevance theory and labor-saving principle.