Abstract：This paper describes the combination of cathodic protection by sacrificial anode with Denso anti-corrosion technique
for steel pipe piles which has been occurring corrosion in a wharf of Yingkou Port，introduces the construction techniques of the
Denso anti-corrosion technique and design process of cathodic protection by sacrificial anode. The result proves the effect of
protection is satisfactory. It can provide references for the protection of steel pipe piles in relevant water area.