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In industrial production, many devices need to be exposed to harsh environments for extended periods of time, which makes them susceptible to corrosion. If the corrosion issue of the equipment is not effectively controlled, its lifespan will be significantly shortened, and safety problems may even arise. Therefore, preventing equipment corrosion is a very important issue. In recent years, equipment corrosion control based on cathodic and anodic protection technologies has become a highly focused area of research. This technology relies on electrochemical principles to form a protective layer on the metal surface, making it less susceptible to erosion by substances such as oxides and sulfides in the external environment, thereby preventing corrosion of the equipment. The specific implementation of this technology involves applying a layer of corrosion-resistant coating to the surface of the device, and using induced current to control the polar reactions at the surface of the coating (i.e., cathodic and anodic reactions), thereby promoting the formation of a protective film on the device’s surface. At the same time, the current parameters can also be adjusted according to different environmental conditions, thereby achieving more precise control. Equipment corrosion control based on cathodic and anodic protection technologies has been widely applied in many fields, such as the petrochemical industry, shipbuilding, bridges, and power lines. By applying this technology, operational costs can be significantly reduced, the lifespan of equipment can be extended, and its safety performance can be improved. Although this technology has achieved good results in practical applications, there are still some issues that need to be addressed, such as the selection of coating materials and the adjustment of current parameters. In the future, as technology continues to advance, it is believed that equipment corrosion control based on anode-cathode protection technology will be used more widely, bringing greater benefits to industrial production. --