The invention discloses a system and method for continuously preparing tungsten powder. The system comprises an electrolytic cell, a perforated graphite anode basket, an anode charging port, a cathode charging port, a liquid phase cathode conducting disc, a liquid zinc cathode, a sliding turnover plate, an electrolytic cell supporting rod, a ball valve collecting opening, a collecting crucible, vacuumizing openings, air inlets, exhaust outlets, an oxygen blowing opening and an openable discharging door. A product and anode mud are effectively separated by using liquid zinc as the cathode, and continuous recovery of waste hard alloy can be achieved by updating an electrolytic anode, an electrolytic cathode and fused salt through the cathode charging port, the anode charging port, the sliding turnover plate and the oxygen blowing opening. The system and method have the characteristics that the obtained product is high in purity, the craft process is continuous, and repeated heating and cooling are avoided.