Abstract: There are many intelligent cathodic protection piles installed along the long-distance pipelines, making it difficult to repair and maintain in case of malfunctions. In order to solve the difficult problem of daily operation and maintenance management of intelligent cathodic protection piles, this paper discusses the common fault causes and maintenance measures of intelligent cathodic protection pile in the long-distance product oil pipelines, so as to provide reference for the maintenance and management of intelligent cathodic protection piles.