In order to analyze the air defense capability of the ship formation more objectively, this paper constructs the index system of the air defense capability of the ship formation based on the factors of missile performance and formation configuration, and analyzes the air defense capability of different positions in the air defense area of the formation in combination with the typical ship formation formation, and simulates the air defense capability of the best position. The analysis process of the air defense capability of typical ship formations in this paper can draw inferences from one another, and has certain reference significance for the analysis of the air defense capabilities of different ship formation types.