Amphibious armored equipments are complex equipments of the amy.Because of not considering the erosion of vehicles in the sea,the severe erosion appears in the vehicles.The vehicles guideline of tactics and technical and the capacity of vehicles descend so remarkably that it can not satisfy the need of landing campaign.So it is very important to strengthen the study of the rule of erosion of armored equipment by carrying out corrosion resistance improvement of amphibious equipment and enhancing the vehicles...