The invention relates to a platinum coordination compound of anti-tumor medicaments. The structural formula of the platinum coordination compound is disclosed in the specification, wherein the substituent group N-N is independently selected from fatty group diamine or substituted fatty group diamine, aromatic group diamine/imine and various kinds of substituted aromatic group diamine/imine; and R1 or R2 is independently selected from a substituted or unsubstituted branched chain, a straight chain or cyclic fatty hydrocarbon, an aryl group and non-aromatic or aromatic heterocyclic group.