Tungsten copper alloy can be used as resistance electrode, EDM electrode, plasma electrode and other electrode materials. As an EDM electrode, it has become one of the main applications of tungsten and copper composites. In the process of EDM, the electrode material is the role of conveying the processing pulse, and its own minimum loss to remove the workpiece. Tungsten copper material has the advantages of fast processing speed, high processing quality and small loss of electrode material. Therefore, it has obvious advantages for high speed machining tool and finishing of difficult processing materials.