A aim of this paper is to study about multiple usage of verb Kan(看) on colloquial style in Chinese. Our data is collected by interview and research about 50 hours. We focus on the syntactic structure, for example Kan(看) + NP or Kan(看) + S, pragmatic usage, grammaticalization of verb Kan(看). As a result, Kan(看) have some grammatical function, that is, Kan(看) express ``sight`` or ``perception``, etc. And we suggest teaching method basis of our research finding.