Abstract: Seawater pipe is one of the most important supporting systems for the ship,playing an important role in the well functioning of almost all the systems and apparatus in ship.The seawater pipe is made of some kinds of metals,thus corrosion and fouling of the pipe are inevitable.In this paper,corrosion types of the pipe were summarized,pipe materials and their corrosion and fouling behaviors were analyzed and some anti-corrosion and anti-fouling methods for seawater pipe were also reviewed.