The utility model discloses a microwave equipment of continuous melting metal powder, the microwave cavity of microwave smelting furnace is for being no less than five odd number face body metallic structure, each lateral wall of microwave cavity is equipped with microwave generator, microwave generator crosses the control unit and is connected with electrical power generating system, the internal melting kettle that is equipped with of microwave cavity, microwave cavity top be equipped with extend to the melting kettle and with the control unit signal connection's temperature measuring device, melting kettle upper portion is equipped with the conveying pipe with the discharge gate of feed screw intercommunication, the feed inlet and year feed bin intercommunication of feed screw, it communicates with atmosphere protection system air supply pipe for the airtight storehouse of can opening and shutting to carry the feed bin, the melting kettle bottom is equipped with the overflow launder intercommunication of discharge opening and lower part, the overflow launder lower part is equipped with the pouring basin that the edge is greater than the overflow launder, the pouring basin bottom is equipped with the sprue gate, the sprue gate is provided with the casting control valve, the sprue gate lower extreme is provided with the pig moulding machine. The utility model has the characteristics of production efficiency is high, the energy consumption is low, the height is rateed to metal recycling, application scope is wide.