The paper analyzed the current research status of port competitiveness evaluation indicators system and the choice of port competitiveness evaluation methods.For the insufficiencies in the port competitiveness evaluation researches,marketing segmentation theory was applied to establish a container port's competitiveness evaluating model.Then it was used to evaluate the competitiveness between the 26 main container ports in East and Southeast Asia.The model was proved to be simple and could be used to make dynamic evaluation.