Disclosed is an isolated antibody, or one of its functional divalent fragments capable of binding to the c-Met, wherein the antibody or functional divalent fragment comprises a heavy chain comprising CDR-H1, CDR-H2 and CDR-H3 comprising respectively the amino acid sequences GYTFTDYN, INPNNGGT, and ARGRYVGYYAMDY; and a light chain comprising CDR-L1, CDR-L2 and CDRL3 comprising respectively the amino acid sequence ENIYSN, AAT, and QHFWGPPYT.