以Langacker的参照点理论为框架,对存现句中的处所成分进行分析。发现:1.参照点视角下,存现句的处所成分是凸显的射体即主语;2.存现句中主体次要凸显的成分是界标即宾语;3.基于参照点理论处所成分作为主语,通过参照点R沿着一定的心理路径与目标进行心理接触,进而对目标实体进行概念化。 Based on Langacker’s reference point theory, this paper analyzes the composition of premises in existential sentences. It is found that: 1.The reference to the point of view, the existence of the premises of the sentence is prominent projectile that is the subject; 2. Existence of the subject of the main highlight of the main component is the landmark or object; 3. Based on reference point theory as the subject of premises , Through the reference point R along a certain psychological path with the target psychological contact, and then the target entity conceptualization.