The utility model discloses a water -cooled crucible, be formed with the crucible in material pond including the top center, and with crucible bottom fixed connection's base, material pond week side water -cooling mechanism includes the basin that forms in the crucible in material bottom of the pool portion inwards sunkenly, the basin by the base seal the under shed, wherein the basin internal fixation be provided with the water conservancy diversion stand, water conservancy diversion stand upper end or lower extreme be formed with the discharge orifice so that the basin with cross the discharge orifice cooperation constitute about circuitous formula water course, the utility model discloses a water -cooled crucible, the runner design of different modes is adopted different positions, strong pertinency, can effectively guarantee the water -cooling effect and the homogeneity of water -cooled tube crucible, and simultaneously, two kinds of runner design, all there is not the welding seamin crucible body, the potential safety hazard of leaking has been avoided, so that the device reliability is enhanced, so the cost for machining is lowered, circulating common formation currenting direction inside inside and outside mode through fetch water hole and embedded aqueduct and the sleeve pipe, can guarantee the machining precision, the nimble water course condenser cooling surface thatadjusts of accessible adjustment aperture and water hole position and basin width, make condenser cooling surface increase, satisfy the requirement of different heating loads.