The VCO structure in LunHeng looks like a perfect structure, but through the research on VO(X)C，VXC，V1O1V2O2 and Narrative structure which exist in the same synchronic plane with VC(O) structure, we can find that the grammatical context which VCO structure exists is not perfect. Syntactically, the syntactic structure - Behavior before result after, reflected from the VCO structure accords with the syntactic requirement of the complement. But many Insertional components can get involved between V and C freely, and there are lots of CV structures, all of these can prove that the syntactic relationship between V and C is not close. Semantically, the semantic relationship - ‘action-result’ from VCO structure accords with the semantic requirement of the complement. But because of the insertional components the ‘action-result’ semantic relationship becomes less efficient. Not only that, there are lots of ‘result-action’ semantic relationships from CV structure which indicate the semantic relationship between V and C is not perfect. Pragmatically, the pragmatic function of the VCO comes from the semantic structure in the dynamic context. If the semantic relationship is not perfect, its pragmatic structure is not perfect too.