Anti-ship missile existed in surface warship air defense system was soft against the enemy (ECM) losing goals, based on the analysis of anti-ship missile attack, through the proposed using the remaining range of anti-ship missile attack for the second time, the concept of design anti-ship missile secondary attack methods and processes, Formation of anti-ship missile attack range of demand and the hitting probability computational model, simulation, demonstrated at home and abroad service or at the opening of the feasibility of long-range anti-ship missile attack for the second time, prove anti-ship missiles by adding two attacks can increase total number of hit probability.