Abstract:With the deepening of the transformation and upgrading of shipbuilding enterprises and the increasingly fierce competition among shipbuilding enterprises, new requirements have been put forward for the study of shipbuilding enterprises' competitiveness. This paper chooses five shipbuilding enterprises as samples, from the three-dimensional perspective of shipbuilding enterprises' competitiveness, 5 subsystems and 20 main indexes are determined, and the evaluation index system of shipbuilding enterprises' competitiveness is constructed; the weight of indexes at all levels is determined by grey correlation method, and the index of comprehensive competitiveness of shipbuilding enterprises is obtained by using dynamic efficacy coefficient method to evaluate the scores of each index. By studying the competitiveness index of shipbuilding enterprises, the competitiveness level of shipbuilding enterprises can be reflected intuitively.