PURPOSE: An anti-c-Met antibody and a pharmaceutical composition containing the same are provided to effectively prevent or treat cancer. CONSTITUTION: An anti-c-Met antibody has the followings: a heavy chain variable region containing a heavy chain complementarity determining regions of CDR-H1 with an amino acid sequence of sequence number 4, CDR-H2 with an amino acid sequence of sequence number 5, and CDR-H3 with an amino acid sequence of sequence number 6； and a light chain variable region containing a light chain complementarity determining regions of CDR-L1 with an amino acid sequence of sequence number 7, CDR-L2 with an amino acid sequence of sequence number 8, and CDR-L3 with an amino acid sequence of sequence number 9.항 c-Met 항체 및 이를 포함하는 암 예방 또는 치료용 약학적 조성물에 관한 것이다. 일 구체예에 따른 항 c-Met 항체 및 이를 포함하는 암 예방 또는 치료용 약학적 조성물에 의하면, 암을 효율적으로 예방 또는 치료할 수 있다.
