A method of producing a wear resistant machine part is provided to produce a machine part with excellent impact resistance and wear resistance by bonding a wear resistant steel having wear resistance against a counter medium to an alloy steel casting matrix having sufficient impact toughness simultaneously during casting. In a method of producing a wear resistant machine part by bonding a wear resistant steel to an alloy steel casting matrix, the method comprises: a step(S10) of machining the wear resistant steel to a predetermined size; a step(S20) of coating an oxidation resistant material with inert and reductive properties on a surface of the wear resistant steel; a step(S30) of laying up the wear resistant steel on a mold to fix the wear resistant steel to the mold; a step(S40) of pouring an alloy steel casting melt into the wear resistant steel laid-up mold; a step(S50) of cooling the material in the mold in the atmosphere; and a step(S60) of removing the mold from a wear resistant part obtained by bonding an alloy steel casting matrix to the wear resistant steel.
