Strong-anti-corrosion supersonic transducer

The utility model relates to a strong-anti-corrosion ultrasonic transducer, comprising a piezoelectric ceramic base piece 1, electrodes 3, 4, and conducting wires 31, 41, wherein, a layer of a resin or glue anti-corrosion layer 5 is directly covered on the electrode 3 on one face of a contact medium by spray coating or smearing; the resin or the glue anti-corrosion layer 5 can select corresponding anti-corrosion materials and can adopt the direct covering mode according to the corrosiveness of the contact medium. Thus, the anti-corrosion ability can be increased, the resin or the glue anti-corrosion layer is not easy to drop off, and simultaneously, the ultrasonic transmission performance can be increased, and the high-efficiency transduction of energy can be realized. The direct covering mode is an ideal anti-corrosion method.